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    263 Products

    Ultra-Chemical-Resistant PTFE Backup Rings

    Image of Product. Front orientation. Backup Rings. Ultra-Chemical-Resistant PTFE Backup Rings.
    Image of Attribute. Front orientation. CrossSection view. Contains Annotated. Ultra-Chemical-Resistant PTFE Backup Rings.
    These PTFE backup rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and many acids. Use them to extend the life of your O-rings and improve their performance in high-pressure applications.
    For Dash
    No.
    Thk.
    ID
    OD
    Hardness
    Temp. Range,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    0.053" Wide
    005
    0.049"0.124"0.230"Durometer 55D (Hard)-300 to 500White509560K31000000
    006
    0.049"0.140"0.246"Durometer 55D (Hard)-300 to 500White509560K3200000
    007
    0.049"0.171"0.277"Durometer 55D (Hard)-300 to 500White509560K3300000
    008
    0.049"0.202"0.308"Durometer 55D (Hard)-300 to 500White509560K3400000
    009
    0.049"0.234"0.340"Durometer 55D (Hard)-300 to 500White509560K3500000
    010
    0.049"0.265"0.371"Durometer 55D (Hard)-300 to 500White509560K3600000
    011
    0.049"0.327"0.433"Durometer 55D (Hard)-300 to 500White509560K3700000
    012
    0.049"0.390"0.496"Durometer 55D (Hard)-300 to 500White509560K3800000
    013
    0.049"0.455"0.561"Durometer 55D (Hard)-300 to 500White509560K3900000
    014
    0.049"0.518"0.624"Durometer 55D (Hard)-300 to 500White509560K4100000
    015
    0.049"0.580"0.686"Durometer 55D (Hard)-300 to 500White509560K4200000
    016
    0.049"0.643"0.749"Durometer 55D (Hard)-300 to 500White509560K4300000
    017
    0.049"0.705"0.811"Durometer 55D (Hard)-300 to 500White509560K4400000
    018
    0.049"0.768"0.874"Durometer 55D (Hard)-300 to 500White509560K4500000
    019
    0.049"0.801"0.907"Durometer 55D (Hard)-300 to 500White509560K10100000
    020
    0.049"0.864"0.970"Durometer 55D (Hard)-300 to 500White509560K10200000
    021
    0.049"0.926"1.032"Durometer 55D (Hard)-300 to 500White509560K10300000
    022
    0.049"0.989"1.095"Durometer 55D (Hard)-300 to 500White509560K10400000
    024
    0.049"1.114"1.220"Durometer 55D (Hard)-300 to 500White259560K10500000
    025
    0.049"1.176"1.282"Durometer 55D (Hard)-300 to 500White259560K10600000
    026
    0.049"1.239"1.345"Durometer 55D (Hard)-300 to 500White259560K10700000
    028
    0.049"1.364"1.470"Durometer 55D (Hard)-300 to 500White259560K10800000
    029
    0.049"1.489"1.595"Durometer 55D (Hard)-300 to 500White259560K10900000
    031
    0.049"1.739"1.845"Durometer 55D (Hard)-300 to 500White109560K11100000
     
    0.086" Wide
    109
    0.049"0.299"0.471"Durometer 55D (Hard)-300 to 500White509560K11200000
    110
    0.049"0.390"0.562"Durometer 55D (Hard)-300 to 500White509560K5100000
    111
    0.049"0.452"0.624"Durometer 55D (Hard)-300 to 500White509560K5200000
    112
    0.049"0.515"0.687"Durometer 55D (Hard)-300 to 500White509560K5300000
    113
    0.049"0.577"0.749"Durometer 55D (Hard)-300 to 500White509560K5400000
    114
    0.049"0.640"0.812"Durometer 55D (Hard)-300 to 500White509560K5500000
    115
    0.049"0.702"0.874"Durometer 55D (Hard)-300 to 500White509560K5600000
    116
    0.049"0.765"0.937"Durometer 55D (Hard)-300 to 500White509560K5700000
    117
    0.049"0.832"1.004"Durometer 55D (Hard)-300 to 500White259560K4900000
    118
    0.049"0.895"1.067"Durometer 55D (Hard)-300 to 500White509560K5800000
    119
    0.049"0.957"1.129"Durometer 55D (Hard)-300 to 500White259560K2100000
    120
    0.049"1.020"1.192"Durometer 55D (Hard)-300 to 500White259560K2200000
    121
    0.049"1.082"1.254"Durometer 55D (Hard)-300 to 500White259560K2300000
    124
    0.049"1.237"1.409"Durometer 55D (Hard)-300 to 500White259560K11300000
    125
    0.049"1.299"1.471"Durometer 55D (Hard)-300 to 500White259560K11400000
    126
    0.049"1.362"1.534"Durometer 55D (Hard)-300 to 500White259560K11500000
    128
    0.049"1.487"1.659"Durometer 55D (Hard)-300 to 500White259560K11600000
    130
    0.049"1.612"1.784"Durometer 55D (Hard)-300 to 500White109560K11700000
    133
    0.049"1.834"2.006"Durometer 55D (Hard)-300 to 500White109560K52900000
    134
    0.049"1.862"2.034"Durometer 55D (Hard)-300 to 500White109560K11800000
    137
    0.049"2.050"2.222"Durometer 55D (Hard)-300 to 500White59560K11900000
    141
    0.049"2.300"2.472"Durometer 55D (Hard)-300 to 500White59560K1200000
    152
    0.049"3.237"3.409"Durometer 55D (Hard)-300 to 500White59560K12100000
    158
    0.049"4.737"4.909"Durometer 55D (Hard)-300 to 500White19560K12200000
     
    0.119" Wide
    208
    0.049"0.609"0.847"Durometer 55D (Hard)-300 to 500White509560K12300000
    210
    0.049"0.766"1.004"Durometer 55D (Hard)-300 to 500White509560K6100000
    211
    0.049"0.828"1.066"Durometer 55D (Hard)-300 to 500White509560K6200000
    212
    0.049"0.891"1.129"Durometer 55D (Hard)-300 to 500White509560K6300000
    213
    0.049"0.953"1.191"Durometer 55D (Hard)-300 to 500White509560K6400000
    214
    0.049"1.016"1.254"Durometer 55D (Hard)-300 to 500White509560K6500000
    215
    0.049"1.078"1.316"Durometer 55D (Hard)-300 to 500White259560K6600000
    216
    0.049"1.141"1.379"Durometer 55D (Hard)-300 to 500White259560K6700000
    217
    0.049"1.203"1.441"Durometer 55D (Hard)-300 to 500White259560K6800000
    218
    0.049"1.266"1.504"Durometer 55D (Hard)-300 to 500White259560K6900000
    219
    0.049"1.334"1.572"Durometer 55D (Hard)-300 to 500White259560K7100000
    220
    0.049"1.359"1.597"Durometer 55D (Hard)-300 to 500White259560K12400000
    222
    0.049"1.522"1.760"Durometer 55D (Hard)-300 to 500White259560K7400000
    223
    0.049"1.609"1.847"Durometer 55D (Hard)-300 to 500White259560K12500000
    224
    0.049"1.734"1.972"Durometer 55D (Hard)-300 to 500White259560K12600000
    225
    0.049"1.859"2.097"Durometer 55D (Hard)-300 to 500White109560K12700000
    226
    0.049"1.984"2.222"Durometer 55D (Hard)-300 to 500White109560K12800000
    227
    0.049"2.109"2.347"Durometer 55D (Hard)-300 to 500White109560K12900000
    228
    0.049"2.234"2.472"Durometer 55D (Hard)-300 to 500White109560K1300000
    229
    0.049"2.359"2.597"Durometer 55D (Hard)-300 to 500White109560K13100000
    230
    0.049"2.484"2.722"Durometer 55D (Hard)-300 to 500White109560K13200000
    231
    0.049"2.609"2.847"Durometer 55D (Hard)-300 to 500White109560K13300000
    232
    0.049"2.734"2.972"Durometer 55D (Hard)-300 to 500White59560K13400000
    233
    0.049"2.859"3.097"Durometer 55D (Hard)-300 to 500White59560K13500000
    234
    0.049"2.984"3.222"Durometer 55D (Hard)-300 to 500White59560K13600000
    235
    0.049"3.109"3.347"Durometer 55D (Hard)-300 to 500White59560K13700000
    236
    0.049"3.234"3.472"Durometer 55D (Hard)-300 to 500White59560K13800000
    237
    0.049"3.359"3.597"Durometer 55D (Hard)-300 to 500White59560K13900000
    238
    0.049"3.484"3.722"Durometer 55D (Hard)-300 to 500White59560K1400000
    239
    0.049"3.609"3.847"Durometer 55D (Hard)-300 to 500White59560K14100000
    240
    0.049"3.734"3.972"Durometer 55D (Hard)-300 to 500White59560K14200000
    241
    0.049"3.859"4.097"Durometer 55D (Hard)-300 to 500White59560K14300000
    242
    0.049"3.984"4.222"Durometer 55D (Hard)-300 to 500White59560K14400000
    243
    0.049"4.109"4.347"Durometer 55D (Hard)-300 to 500White59560K14500000
    244
    0.049"4.234"4.472"Durometer 55D (Hard)-300 to 500White59560K14600000
    245
    0.049"4.359"4.597"Durometer 55D (Hard)-300 to 500White59560K14700000
    246
    0.049"4.484"4.722"Durometer 55D (Hard)-300 to 500White59560K14800000
    248
    0.049"4.734"4.972"Durometer 55D (Hard)-300 to 500White59560K14900000
    249
    0.049"4.859"5.097"Durometer 55D (Hard)-300 to 500White19560K1510000
    250
    0.049"4.984"5.222"Durometer 55D (Hard)-300 to 500White19560K1520000
    252
    0.049"5.234"5.472"Durometer 55D (Hard)-300 to 500White19560K15300000
    254
    0.049"5.484"5.722"Durometer 55D (Hard)-300 to 500White19560K1540000
    255
    0.049"5.609"5.847"Durometer 55D (Hard)-300 to 500White19560K15500000
    256
    0.049"5.734"5.972"Durometer 55D (Hard)-300 to 500White19560K15600000
    257
    0.049"5.859"6.097"Durometer 55D (Hard)-300 to 500White19560K15700000
    258
    0.049"5.984"6.222"Durometer 55D (Hard)-300 to 500White19560K1580000
    261
    0.049"6.734"6.972"Durometer 55D (Hard)-300 to 500White19560K15900000
    265
    0.049"7.734"7.972"Durometer 55D (Hard)-300 to 500White19560K1600000
     
    0.183" Wide
    325
    0.07"1.475"1.841"Durometer 55D (Hard)-300 to 500White109560K16100000
    326
    0.07"1.600"1.966"Durometer 55D (Hard)-300 to 500White109560K16200000
    328
    0.07"1.888"2.254"Durometer 55D (Hard)-300 to 500White109560K8400000
    329
    0.07"2.013"2.379"Durometer 55D (Hard)-300 to 500White109560K8500000
    330
    0.07"2.138"2.504"Durometer 55D (Hard)-300 to 500White109560K8600000
    333
    0.07"2.475"2.841"Durometer 55D (Hard)-300 to 500White109560K16300000
    334
    0.07"2.600"2.966"Durometer 55D (Hard)-300 to 500White59560K16400000
    337
    0.07"2.975"3.341"Durometer 55D (Hard)-300 to 500White59560K16500000
    338
    0.07"3.100"3.466"Durometer 55D (Hard)-300 to 500White59560K16600000
    339
    0.07"3.225"3.591"Durometer 55D (Hard)-300 to 500White59560K16700000
    340
    0.07"3.350"3.716"Durometer 55D (Hard)-300 to 500White59560K16800000
    341
    0.07"3.475"3.841"Durometer 55D (Hard)-300 to 500White59560K16900000
    342
    0.07"3.600"3.966"Durometer 55D (Hard)-300 to 500White59560K1700000
    344
    0.07"3.850"4.216"Durometer 55D (Hard)-300 to 500White59560K17100000
    345
    0.07"3.975"4.341"Durometer 55D (Hard)-300 to 500White59560K17200000
    346
    0.07"4.100"4.466"Durometer 55D (Hard)-300 to 500White59560K17300000
    349
    0.07"4.475"4.841"Durometer 55D (Hard)-300 to 500White59560K17400000
    358
    0.07"5.600"5.966"Durometer 55D (Hard)-300 to 500White19560K17500000
     
    0.236" Wide
    426
    0.108"4.600"5.072"Durometer 55D (Hard)-300 to 500White19560K17600000
    429
    0.108"4.975"5.447"Durometer 55D (Hard)-300 to 500White19560K17700000
    433
    0.108"5.475"5.947"Durometer 55D (Hard)-300 to 500White19560K17800000
    439
    0.108"6.475"6.947"Durometer 55D (Hard)-300 to 500White19560K17900000
    443
    0.108"7.475"7.947"Durometer 55D (Hard)-300 to 500White19560K1800000
    446
    0.108"8.475"8.947"Durometer 55D (Hard)-300 to 500White19560K18100000
    452
    0.108"11.475"11.947"Durometer 55D (Hard)-300 to 500White19560K18200000
     

    Oil-Resistant Buna-N Backup Rings

    Image of Product. Bottom orientation. Backup Rings. Oil-Resistant Buna-N Backup Rings.
    Image of Attribute. Front orientation. CrossSection view. Contains Annotated. Oil-Resistant Buna-N Backup Rings.
    Made of Buna-N, these backup rings resist grease, petroleum fluids, and motor oil. Use them to extend the life of your O-rings and improve their performance in high-pressure applications.
    For Dash
    No.
    Thk.
    ID
    OD
    Hardness
    Temp. Range,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    0.053" Wide
    004
    0.049"0.096"0.202"Durometer 90A (Hard)-40 to 250Black1005288T1100000
    005
    0.049"0.127"0.233"Durometer 90A (Hard)-40 to 250Black1005288T1110000
    006
    0.049"0.140"0.246"Durometer 90A (Hard)-40 to 250Black1005288T1120000
    007
    0.049"0.171"0.277"Durometer 90A (Hard)-40 to 250Black1005288T1130000
    008
    0.049"0.202"0.308"Durometer 90A (Hard)-40 to 250Black1005288T1140000
    009
    0.049"0.234"0.340"Durometer 90A (Hard)-40 to 250Black1005288T1150000
    010
    0.049"0.265"0.371"Durometer 90A (Hard)-40 to 250Black1005288T1160000
    011
    0.049"0.327"0.433"Durometer 90A (Hard)-40 to 250Black1005288T1170000
    012
    0.049"0.390"0.496"Durometer 90A (Hard)-40 to 250Black1005288T1180000
    013
    0.049"0.455"0.561"Durometer 90A (Hard)-40 to 250Black1005288T1190000
    014
    0.049"0.518"0.624"Durometer 90A (Hard)-40 to 250Black1005288T120000
    015
    0.049"0.580"0.686"Durometer 90A (Hard)-40 to 250Black1005288T1210000
    016
    0.049"0.643"0.749"Durometer 90A (Hard)-40 to 250Black1005288T1220000
    017
    0.049"0.705"0.811"Durometer 90A (Hard)-40 to 250Black1005288T1230000
    018
    0.049"0.768"0.874"Durometer 90A (Hard)-40 to 250Black1005288T1240000
    019
    0.049"0.830"0.936"Durometer 90A (Hard)-40 to 250Black1005288T1250000
    020
    0.049"0.893"0.999"Durometer 90A (Hard)-40 to 250Black1005288T1260000
    021
    0.049"0.955"1.061"Durometer 90A (Hard)-40 to 250Black1005288T1270000
    022
    0.049"1.018"1.124"Durometer 90A (Hard)-40 to 250Black1005288T1280000
    024
    0.049"1.143"1.249"Durometer 90A (Hard)-40 to 250Black1005288T130000
    025
    0.049"1.205"1.311"Durometer 90A (Hard)-40 to 250Black1005288T1310000
    026
    0.049"1.268"1.374"Durometer 90A (Hard)-40 to 250Black1005288T1320000
    028
    0.049"1.393"1.499"Durometer 90A (Hard)-40 to 250Black1005288T1340000
    029
    0.049"1.518"1.624"Durometer 90A (Hard)-40 to 250Black1005288T1350000
    031
    0.049"1.768"1.874"Durometer 90A (Hard)-40 to 250Black1005288T13700000
    042
    0.049"3.268"3.374"Durometer 90A (Hard)-40 to 250Black505288T14800000
     
    0.086" Wide
    103
    0.053"0.109"0.281"Durometer 90A (Hard)-40 to 250Black1005288T1580000
    109
    0.053"0.327"0.499"Durometer 90A (Hard)-40 to 250Black1005288T1640000
    110
    0.053"0.390"0.562"Durometer 90A (Hard)-40 to 250Black1005288T1650000
    111
    0.053"0.452"0.624"Durometer 90A (Hard)-40 to 250Black1005288T1660000
    112
    0.053"0.515"0.687"Durometer 90A (Hard)-40 to 250Black1005288T1670000
    113
    0.053"0.577"0.749"Durometer 90A (Hard)-40 to 250Black1005288T1680000
    114
    0.053"0.640"0.812"Durometer 90A (Hard)-40 to 250Black1005288T1690000
    115
    0.053"0.702"0.874"Durometer 90A (Hard)-40 to 250Black1005288T170000
    116
    0.053"0.765"0.937"Durometer 90A (Hard)-40 to 250Black1005288T1710000
    117
    0.053"0.831"1.003"Durometer 90A (Hard)-40 to 250Black1005288T1720000
    118
    0.053"0.893"1.065"Durometer 90A (Hard)-40 to 250Black1005288T1730000
    119
    0.053"0.956"1.128"Durometer 90A (Hard)-40 to 250Black1005288T1740000
    120
    0.053"1.018"1.190"Durometer 90A (Hard)-40 to 250Black1005288T1750000
    121
    0.053"1.081"1.253"Durometer 90A (Hard)-40 to 250Black1005288T1760000
    124
    0.053"1.268"1.440"Durometer 90A (Hard)-40 to 250Black1005288T1790000
    125
    0.053"1.331"1.503"Durometer 90A (Hard)-40 to 250Black1005288T180000
    126
    0.053"1.393"1.565"Durometer 90A (Hard)-40 to 250Black1005288T1810000
    128
    0.053"1.518"1.690"Durometer 90A (Hard)-40 to 250Black1005288T18300000
    130
    0.053"1.643"1.815"Durometer 90A (Hard)-40 to 250Black1005288T18500000
    131
    0.053"1.706"1.878"Durometer 90A (Hard)-40 to 250Black1005288T18600000
    132
    0.053"1.768"1.940"Durometer 90A (Hard)-40 to 250Black1005288T18700000
    134
    0.053"1.893"2.065"Durometer 90A (Hard)-40 to 250Black1005288T18900000
    135
    0.053"1.956"2.128"Durometer 90A (Hard)-40 to 250Black1005288T1900000
    136
    0.053"2.018"2.190"Durometer 90A (Hard)-40 to 250Black505288T1910000
    137
    0.053"2.081"2.253"Durometer 90A (Hard)-40 to 250Black505288T1920000
    141
    0.053"2.331"2.503"Durometer 90A (Hard)-40 to 250Black505288T19600000
    152
    0.053"3.268"3.440"Durometer 90A (Hard)-40 to 250Black255288T2170000
    154
    0.053"3.768"3.940"Durometer 90A (Hard)-40 to 250Black105288T2190000
    155
    0.053"4.018"4.190"Durometer 90A (Hard)-40 to 250Black105288T220000
    158
    0.053"4.768"4.940"Durometer 90A (Hard)-40 to 250Black105288T2230000
     
    0.118" Wide
    202
    0.05"0.265"0.501"Durometer 90A (Hard)-40 to 250Black1005288T2450000
    203
    0.05"0.327"0.563"Durometer 90A (Hard)-40 to 250Black1005288T2460000
    204
    0.05"0.390"0.626"Durometer 90A (Hard)-40 to 250Black1005288T2470000
    206
    0.05"0.518"0.754"Durometer 90A (Hard)-40 to 250Black1005288T2490000
    207
    0.05"0.580"0.816"Durometer 90A (Hard)-40 to 250Black1005288T250000
    208
    0.05"0.643"0.879"Durometer 90A (Hard)-40 to 250Black1005288T2510000
    210
    0.05"0.766"1.002"Durometer 90A (Hard)-40 to 250Black1005288T2530000
    211
    0.05"0.828"1.064"Durometer 90A (Hard)-40 to 250Black1005288T2540000
    212
    0.05"0.891"1.127"Durometer 90A (Hard)-40 to 250Black1005288T2550000
    214
    0.05"1.016"1.252"Durometer 90A (Hard)-40 to 250Black1005288T2570000
    216
    0.05"1.141"1.377"Durometer 90A (Hard)-40 to 250Black1005288T2590000
    217
    0.05"1.203"1.439"Durometer 90A (Hard)-40 to 250Black1005288T260000
    218
    0.05"1.266"1.502"Durometer 90A (Hard)-40 to 250Black1005288T26100000
    220
    0.05"1.397"1.633"Durometer 90A (Hard)-40 to 250Black505288T2630000
    222
    0.05"1.522"1.758"Durometer 90A (Hard)-40 to 250Black505288T2650000
    223
    0.05"1.647"1.833"Durometer 90A (Hard)-40 to 250Black505288T2660000
    224
    0.05"1.772"2.008"Durometer 90A (Hard)-40 to 250Black505288T2670000
    225
    0.05"1.897"2.133"Durometer 90A (Hard)-40 to 250Black505288T2680000
    226
    0.05"2.022"2.258"Durometer 90A (Hard)-40 to 250Black505288T2690000
    227
    0.05"2.147"2.383"Durometer 90A (Hard)-40 to 250Black505288T2700000
    228
    0.05"2.272"2.508"Durometer 90A (Hard)-40 to 250Black505288T27100000
    229
    0.05"2.397"2.633"Durometer 90A (Hard)-40 to 250Black505288T27200000
    230
    0.05"2.522"2.758"Durometer 90A (Hard)-40 to 250Black505288T27300000
    231
    0.05"2.631"2.867"Durometer 90A (Hard)-40 to 250Black505288T27400000
    232
    0.05"2.756"2.992"Durometer 90A (Hard)-40 to 250Black505288T27500000
    233
    0.05"2.881"3.117"Durometer 90A (Hard)-40 to 250Black255288T2760000
    234
    0.05"3.006"3.242"Durometer 90A (Hard)-40 to 250Black255288T2770000
    235
    0.05"3.131"3.367"Durometer 90A (Hard)-40 to 250Black255288T2780000
    236
    0.05"3.256"3.492"Durometer 90A (Hard)-40 to 250Black255288T2790000
    237
    0.05"3.381"3.617"Durometer 90A (Hard)-40 to 250Black255288T280000
    238
    0.05"3.506"3.742"Durometer 90A (Hard)-40 to 250Black255288T28100000
    239
    0.05"3.631"3.867"Durometer 90A (Hard)-40 to 250Black255288T28200000
    240
    0.05"3.756"3.992"Durometer 90A (Hard)-40 to 250Black255288T28300000
    241
    0.05"3.881"4.117"Durometer 90A (Hard)-40 to 250Black255288T28400000
    242
    0.05"4.006"4.242"Durometer 90A (Hard)-40 to 250Black255288T28500000
    243
    0.05"4.131"4.367"Durometer 90A (Hard)-40 to 250Black255288T28600000
    244
    0.05"4.256"4.492"Durometer 90A (Hard)-40 to 250Black255288T28700000
    245
    0.05"4.381"4.617"Durometer 90A (Hard)-40 to 250Black255288T28800000
    246
    0.05"4.506"4.742"Durometer 90A (Hard)-40 to 250Black255288T28900000
    247
    0.05"4.631"4.867"Durometer 90A (Hard)-40 to 250Black255288T2900000
    248
    0.05"4.768"5.004"Durometer 90A (Hard)-40 to 250Black255288T29100000
    249
    0.05"4.893"5.129"Durometer 90A (Hard)-40 to 250Black255288T29200000
    250
    0.05"5.018"5.254"Durometer 90A (Hard)-40 to 250Black105288T2930000
    252
    0.05"5.268"5.504"Durometer 90A (Hard)-40 to 250Black105288T2950000
    254
    0.05"5.518"5.754"Durometer 90A (Hard)-40 to 250Black105288T2970000
    255
    0.05"5.643"5.879"Durometer 90A (Hard)-40 to 250Black105288T2980000
    256
    0.05"5.768"6.004"Durometer 90A (Hard)-40 to 250Black105288T2990000
    257
    0.05"5.893"6.129"Durometer 90A (Hard)-40 to 250Black105288T310000
    258
    0.05"6.018"6.254"Durometer 90A (Hard)-40 to 250Black105288T3110000
    259
    0.05"6.268"6.504"Durometer 90A (Hard)-40 to 250Black105288T3120000
    260
    0.05"6.518"6.754"Durometer 90A (Hard)-40 to 250Black105288T3130000
    261
    0.05"6.768"7.004"Durometer 90A (Hard)-40 to 250Black105288T3140000
    262
    0.05"7.018"7.254"Durometer 90A (Hard)-40 to 250Black105288T31500000
    265
    0.05"7.768"8.004"Durometer 90A (Hard)-40 to 250Black105288T31800000
     
    0.183" Wide
    322
    0.076"1.263"1.629"Durometer 90A (Hard)-40 to 250Black505288T3510000
    323
    0.076"1.316"1.682"Durometer 90A (Hard)-40 to 250Black505288T3520000
    325
    0.076"1.513"1.879"Durometer 90A (Hard)-40 to 250Black505288T3540000
    326
    0.076"1.638"2.004"Durometer 90A (Hard)-40 to 250Black505288T35500000
    329
    0.076"2.013"2.379"Durometer 90A (Hard)-40 to 250Black505288T35800000
    330
    0.076"2.138"2.504"Durometer 90A (Hard)-40 to 250Black505288T35900000
    333
    0.076"2.518"2.884"Durometer 90A (Hard)-40 to 250Black505288T36200000
    334
    0.076"2.643"3.009"Durometer 90A (Hard)-40 to 250Black505288T36300000
    337
    0.076"3.018"3.384"Durometer 90A (Hard)-40 to 250Black255288T36600000
    338
    0.076"3.143"3.509"Durometer 90A (Hard)-40 to 250Black255288T36700000
    339
    0.076"3.273"3.639"Durometer 90A (Hard)-40 to 250Black255288T36800000
    340
    0.076"3.398"3.764"Durometer 90A (Hard)-40 to 250Black255288T36900000
    341
    0.076"3.523"3.889"Durometer 90A (Hard)-40 to 250Black255288T3700000
    342
    0.076"3.648"4.014"Durometer 90A (Hard)-40 to 250Black255288T37100000
    343
    0.076"3.773"4.139"Durometer 90A (Hard)-40 to 250Black255288T37200000
    344
    0.076"3.898"4.264"Durometer 90A (Hard)-40 to 250Black255288T37300000
    345
    0.076"4.028"4.394"Durometer 90A (Hard)-40 to 250Black255288T37400000
    346
    0.076"4.153"4.519"Durometer 90A (Hard)-40 to 250Black255288T37500000
    349
    0.076"4.528"4.894"Durometer 90A (Hard)-40 to 250Black105288T3780000
    351
    0.076"4.778"5.144"Durometer 90A (Hard)-40 to 250Black105288T380000
    358
    0.076"5.653"6.019"Durometer 90A (Hard)-40 to 250Black105288T38700000
     
    0.236" Wide
    426
    0.117"4.676"5.148"Durometer 90A (Hard)-40 to 250Black105288T43600000
    427
    0.117"4.801"5.273"Durometer 90A (Hard)-40 to 250Black105288T43700000
    429
    0.117"5.051"5.523"Durometer 90A (Hard)-40 to 250Black105288T43900000
    433
    0.117"5.551"6.023"Durometer 90A (Hard)-40 to 250Black105288T44300000
    437
    0.117"6.051"6.523"Durometer 90A (Hard)-40 to 250Black105288T44700000
    439
    0.117"6.524"6.996"Durometer 90A (Hard)-40 to 250Black105288T44900000
    443
    0.117"7.524"7.996"Durometer 90A (Hard)-40 to 250Black105288T45300000
    446
    0.117"8.524"8.996"Durometer 90A (Hard)-40 to 250Black55288T45600000
    451
    0.117"11.024"11.496"Durometer 90A (Hard)-40 to 250Black55288T46100000
    452
    0.117"11.524"11.996"Durometer 90A (Hard)-40 to 250Black55288T46200000
     

    PTFE Backup Ring Assortments

    Image of Product. Front orientation. Backup Rings. PTFE Backup Ring Assortments.
    These 325-piece assortments mean you’ll always have a backup ring on hand. Use them to extend the life of your O-rings and improve their performance in high-pressure applications. The backup rings are made of PTFE and resist harsh chemicals such as, acetone, fluorinated solvents, methanol, and many acids.
    No. of
    Pieces
    No. of
    Sizes
    Includes
    Hardness
    Temp. Range,
    ° F
    Color
    Each
    32536Dash Numbers 005-018, 110-121, 210-219Durometer 55D (Hard)-100 to 500White9560K150000000
     
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