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    122 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
     

    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
     
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