Filter by
Hardness
Cross Section Shape
System of Measurement
ID
Material
Maximum Temperature
OD
For Use With
Hardness Rating
Color
Minimum Temperature
Specifications Met
REACH
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
RoHS
Export Control Classification Number (ECCN)
DFARS Specialty Metals
About O-Rings
More
Steam- and Ultra-Chemical-Resistant Aflas O-Rings

Often used in drilling systems, these Aflas O-rings hold up to petroleum fluids. They also withstand steam and chemicals such as ammonia, calcium hydroxide, and boric acid. All have shelf life, a cure date, and a traceable lot number printed on the bag.
Fractional | Actual | Pkg. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dash Number | ID | OD | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | 1-9 | 10-Up | |
Wd.: 1/32 Fractional (0.04" Actual) | ||||||||||||
| 001 | 1/32 | 3/32 | 0.029" | 0.109" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T248 | 00000 | 00000 |
Wd.: 3/64 Fractional (0.05" Actual) | ||||||||||||
| 002 | 3/64 | 9/64 | 0.042" | 0.142" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T249 | 0000 | 0000 |
Wd.: 1/16 Fractional (0.06" Actual) | ||||||||||||
| 003 | 1/16 | 3/16 | 0.056" | 0.176" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T251 | 00000 | 0000 |
Wd.: 1/16 Fractional (0.07" Actual) | ||||||||||||
| 004 | 5/64 | 13/64 | 0.07" | 0.21" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T252 | 00000 | 0000 |
| 005 | 3/32 | 7/32 | 0.101" | 0.241" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T253 | 00000 | 00000 |
| 006 | 1/8 | 1/4 | 0.114" | 0.254" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T11 | 00000 | 00000 |
| 007 | 5/32 | 9/32 | 0.145" | 0.285" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T12 | 00000 | 00000 |
| 008 | 3/16 | 5/16 | 0.176" | 0.316" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T13 | 00000 | 00000 |
| 009 | 7/32 | 11/32 | 0.208" | 0.348" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T14 | 00000 | 0000 |
| 010 | 1/4 | 3/8 | 0.239" | 0.379" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T15 | 00000 | 00000 |
| 011 | 5/16 | 7/16 | 0.301" | 0.441" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T16 | 00000 | 00000 |
| 012 | 3/8 | 1/2 | 0.364" | 0.504" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T17 | 00000 | 00000 |
| 013 | 7/16 | 9/16 | 0.426" | 0.566" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T18 | 00000 | 00000 |
| 014 | 1/2 | 5/8 | 0.489" | 0.629" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T19 | 00000 | 00000 |
| 015 | 9/16 | 11/16 | 0.551" | 0.691" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T21 | 00000 | 00000 |
| 016 | 5/8 | 3/4 | 0.614" | 0.754" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 25 | 5240T22 | 00000 | 00000 |
| 017 | 11/16 | 13/16 | 0.676" | 0.816" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T23 | 0000 | 0000 |
| 018 | 3/4 | 7/8 | 0.739" | 0.879" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T24 | 0000 | 0000 |
| 019 | 13/16 | 15/16 | 0.801" | 0.941" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T25 | 0000 | 0000 |
| 020 | 7/8 | 1 | 0.864" | 1.004" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T26 | 0000 | 0000 |
| 021 | 15/16 | 1 1/16 | 0.926" | 1.066" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T27 | 0000 | 0000 |
| 022 | 1 | 1 1/8 | 0.989" | 1.129" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T28 | 00000 | 0000 |
| 023 | 1 1/16 | 1 3/16 | 1.051" | 1.191" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T29 | 00000 | 0000 |
| 024 | 1 1/8 | 1 1/4 | 1.114" | 1.254" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T31 | 00000 | 00000 |
| 025 | 1 3/16 | 1 5/16 | 1.176" | 1.316" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T211 | 0000 | 0000 |
| 026 | 1 1/4 | 1 3/8 | 1.239" | 1.379" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T212 | 0000 | 0000 |
| 027 | 1 5/16 | 1 7/16 | 1.301" | 1.441" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T213 | 0000 | 0000 |
| 028 | 1 3/8 | 1 1/2 | 1.364" | 1.504" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T214 | 0000 | 0000 |
| 029 | 1 1/2 | 1 5/8 | 1.489" | 1.629" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T215 | 0000 | 0000 |
| 030 | 1 5/8 | 1 3/4 | 1.614" | 1.754" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T216 | 0000 | 0000 |
| 031 | 1 3/4 | 1 7/8 | 1.739" | 1.879" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T38 | 0000 | 0000 |
| 032 | 1 7/8 | 2 | 1.864" | 2.004" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T39 | 00000 | 0000 |
| 033 | 2 | 2 1/8 | 1.989" | 2.129" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T41 | 00000 | 0000 |
| 034 | 2 1/8 | 2 1/4 | 2.114" | 2.254" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T42 | 00000 | 0000 |
| 035 | 2 1/4 | 2 3/8 | 2.239" | 2.379" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T217 | 00000 | 00000 |
| 036 | 2 3/8 | 2 1/2 | 2.364" | 2.504" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T218 | 00000 | 00000 |
| 037 | 2 1/2 | 2 5/8 | 2.489" | 2.629" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T219 | 00000 | 00000 |
| 038 | 2 5/8 | 2 3/4 | 2.614" | 2.754" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T221 | 00000 | 00000 |
| 039 | 2 3/4 | 2 7/8 | 2.739" | 2.879" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T222 | 00000 | 00000 |
| 040 | 2 7/8 | 3 | 2.864" | 3.004" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T254 | 0000 | 0000 |
| 041 | 3 | 3 1/8 | 2.989" | 3.129" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T255 | 0000 | 0000 |
| 042 | 3 1/4 | 3 3/8 | 3.239" | 3.379" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T256 | 0000 | 0000 |
| 043 | 3 1/2 | 3 5/8 | 3.489" | 3.629" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T257 | 0000 | 0000 |
| 044 | 3 3/4 | 3 7/8 | 3.739" | 3.879" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T258 | 0000 | 0000 |
| 045 | 4 | 4 1/8 | 3.989" | 4.129" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T259 | 0000 | 0000 |
| 046 | 4 1/4 | 4 3/8 | 4.239" | 4.379" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T261 | 0000 | 0000 |
| 047 | 4 1/2 | 4 5/8 | 4.489" | 4.629" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T262 | 0000 | 0000 |
| 048 | 4 3/4 | 4 7/8 | 4.739" | 4.879" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T263 | 0000 | 0000 |
| 049 | 5 | 5 1/8 | 4.989" | 5.129" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T264 | 0000 | 0000 |
| 050 | 5 1/4 | 5 3/8 | 5.239" | 5.379" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 1 | 5240T265 | 0000 | 0000 |
Wd.: 3/32 Fractional (0.103" Actual) | ||||||||||||
| 105 | 5/32 | 11/32 | 0.143" | 0.349" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T266 | 00000 | 00000 |
| 106 | 3/16 | 3/8 | 0.174" | 0.38" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T267 | 00000 | 00000 |
| 107 | 7/32 | 13/32 | 0.206" | 0.412" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T268 | 00000 | 00000 |
| 108 | 1/4 | 7/16 | 0.237" | 0.443" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T269 | 00000 | 00000 |
| 109 | 5/16 | 1/2 | 0.299" | 0.505" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T271 | 00000 | 00000 |
| 110 | 3/8 | 9/16 | 0.362" | 0.568" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T48 | 00000 | 00000 |
| 111 | 7/16 | 5/8 | 0.424" | 0.63" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T49 | 00000 | 00000 |
| 112 | 1/2 | 11/16 | 0.487" | 0.693" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T51 | 00000 | 00000 |
| 113 | 9/16 | 3/4 | 0.549" | 0.755" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T52 | 00000 | 00000 |
| 114 | 5/8 | 13/16 | 0.612" | 0.818" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T53 | 00000 | 00000 |
| 115 | 11/16 | 7/8 | 0.674" | 0.88" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T54 | 00000 | 00000 |
| 116 | 3/4 | 15/16 | 0.737" | 0.943" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T55 | 00000 | 00000 |
| 117 | 13/16 | 1 | 0.799" | 1.005" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 15 | 5240T56 | 00000 | 00000 |
| 118 | 7/8 | 1 1/16 | 0.862" | 1.068" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T57 | 00000 | 00000 |
| 119 | 15/16 | 1 1/8 | 0.924" | 1.13" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T58 | 00000 | 00000 |
| 120 | 1 | 1 3/16 | 0.987" | 1.193" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T59 | 00000 | 00000 |
| 121 | 1 1/16 | 1 1/4 | 1.049" | 1.255" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T61 | 00000 | 00000 |
| 122 | 1 1/8 | 1 5/16 | 1.112" | 1.318" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T62 | 00000 | 00000 |
| 123 | 1 3/16 | 1 3/8 | 1.174" | 1.38" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T63 | 00000 | 00000 |
| 124 | 1 1/4 | 1 7/16 | 1.237" | 1.443" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T64 | 00000 | 00000 |
| 125 | 1 5/16 | 1 1/2 | 1.299" | 1.505" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T65 | 00000 | 00000 |
| 126 | 1 3/8 | 1 9/16 | 1.362" | 1.568" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T66 | 00000 | 00000 |
| 127 | 1 7/16 | 1 5/8 | 1.424" | 1.63" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 10 | 5240T67 | 00000 | 00000 |
| 128 | 1 1/2 | 1 11/16 | 1.487" | 1.693" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T223 | 00000 | 00000 |
| 129 | 1 9/16 | 1 3/4 | 1.549" | 1.755" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T224 | 00000 | 00000 |
| 130 | 1 5/8 | 1 13/16 | 1.612" | 1.818" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T225 | 00000 | 0000 |
| 131 | 1 11/16 | 1 7/8 | 1.674" | 1.88" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T72 | 00000 | 00000 |
| 132 | 1 3/4 | 1 15/16 | 1.737" | 1.943" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T73 | 00000 | 00000 |
| 133 | 1 13/16 | 2 | 1.799" | 2.005" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T74 | 00000 | 00000 |
| 134 | 1 7/8 | 2 1/16 | 1.862" | 2.068" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T75 | 00000 | 00000 |
| 135 | 1 15/16 | 2 1/8 | 1.925" | 2.131" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T76 | 00000 | 00000 |
| 136 | 2 | 2 3/16 | 1.987" | 2.193" | Durometer 80A (Hard) | ASTM D2000, SAE AS568 | 25° to 450° | Black | 5 | 5240T77 | 00000 | 00000 |

























