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Oil-Resistant Square Profile Buna-N O-Rings【5-100 Pieces Per Package】
Square profile O-Rings require less squeeze to make an effective seal and won’t roll or twist in moving applications. Buna-N is the most commonly used O-Ring material due to its strength and durability. It is suitable for a broad range of fluids including oils, water, and mild chemicals.
| part number | material | inch/metric | dash size | cross section (fractional) | id (fractional) | od (fractional) | durometer | cross section shape | color | grade |
| zusahsq70006 | buna-n | inch | 006 | 1/16" | 1/8" | 1/4" | 70a | square | black | standard |
| zusahsq70007 | buna-n | inch | 007 | 1/16" | 5/32" | 9/32" | 70a | square | black | standard |
| zusahsq70008 | buna-n | inch | 008 | 1/16" | 3/16" | 5/16" | 70a | square | black | standard |
| zusahsq70009 | buna-n | inch | 009 | 1/16" | 7/32" | 11/32" | 70a | square | black | standard |
| zusahsq70010 | buna-n | inch | 010 | 1/16" | 1/4" | 3/8" | 70a | square | black | standard |
| zusahsq70011 | buna-n | inch | 011 | 1/16" | 5/16" | 7/16" | 70a | square | black | standard |
| zusahsq70012 | buna-n | inch | 012 | 1/16" | 3/8" | 1/2" | 70a | square | black | standard |
| zusahsq70013 | buna-n | inch | 013 | 1/16" | 7/16" | 9/16" | 70a | square | black | standard |
| zusahsq70014 | buna-n | inch | 014 | 1/16" | 1/2" | 5/8" | 70a | square | black | standard |
| zusahsq70015 | buna-n | inch | 015 | 1/16" | 9/16" | 11/16" | 70a | square | black | standard |
| zusahsq70016 | buna-n | inch | 016 | 1/16" | 5/8" | 3/4" | 70a | square | black | standard |
| zusahsq70017 | buna-n | inch | 017 | 1/16" | 11/16" | 13/16" | 70a | square | black | standard |
| zusahsq70019 | buna-n | inch | 019 | 1/16" | 13/16" | 15/16" | 70a | square | black | standard |
| zusahsq70020 | buna-n | inch | 020 | 1/16" | 7/8" | 1" | 70a | square | black | standard |
| zusahsq70021 | buna-n | inch | 021 | 1/16" | 15/16" | 1-1/16" | 70a | square | black | standard |
| zusahsq70024 | buna-n | inch | 024 | 1/16" | 1-1/8" | 1-1/4" | 70a | square | black | standard |
| zusahsq70027 | buna-n | inch | 027 | 1/16" | 1-5/16" | 1-7/16" | 70a | square | black | standard |
| zusahsq70028 | buna-n | inch | 028 | 1/16" | 1-3/8" | 1-1/2" | 70a | square | black | standard |
| zusahsq70029 | buna-n | inch | 029 | 1/16" | 1-1/2" | 1-5/8" | 70a | square | black | standard |
| zusahsq70032 | buna-n | inch | 032 | 1/16" | 1-7/8" | 2" | 70a | square | black | standard |
| zusahsq70110 | buna-n | inch | 110 | 3/32" | 3/8" | 9/16" | 70a | square | black | standard |
| zusahsq70111 | buna-n | inch | 111 | 3/32" | 7/16" | 5/8" | 70a | square | black | standard |
| zusahsq70112 | buna-n | inch | 112 | 3/32" | 1/2" | 11/16" | 70a | square | black | standard |
| zusahsq70113 | buna-n | inch | 113 | 3/32" | 9/16" | 3/4" | 70a | square | black | standard |
| zusahsq70114 | buna-n | inch | 114 | 3/32" | 5/8" | 13/16" | 70a | square | black | standard |
| zusahsq70115 | buna-n | inch | 115 | 3/32" | 11/16" | 7/8" | 70a | square | black | standard |
| zusahsq70116 | buna-n | inch | 116 | 3/32" | 3/4" | 15/16" | 70a | square | black | standard |
| zusahsq70117 | buna-n | inch | 117 | 3/32" | 13/16" | 1" | 70a | square | black | standard |
| zusahsq70119 | buna-n | inch | 119 | 3/32" | 15/16" | 1-1/8" | 70a | square | black | standard |
| zusahsq70126 | buna-n | inch | 126 | 3/32" | 1-3/8" | 1-9/16" | 70a | square | black | standard |
| zusahsq70128 | buna-n | inch | 128 | 3/32" | 1-1/2" | 1-11/16" | 70a | square | black | standard |
| zusahsq70132 | buna-n | inch | 132 | 3/32" | 1-3/4" | 1-15/16" | 70a | square | black | standard |
| zusahsq70133 | buna-n | inch | 133 | 3/32" | 1-13/16" | 2" | 70a | square | black | standard |
| zusahsq70134 | buna-n | inch | 134 | 3/32" | 1-7/8" | 2-1/16" | 70a | square | black | standard |
| zusahsq70135 | buna-n | inch | 135 | 3/32" | 1-15/16" | 2-1/8" | 70a | square | black | standard |
| zusahsq70136 | buna-n | inch | 136 | 3/32" | 2" | 2-3/16" | 70a | square | black | standard |
| zusahsq70137 | buna-n | inch | 137 | 3/32" | 2-1/16" | 2-1/4" | 70a | square | black | standard |
| zusahsq70138 | buna-n | inch | 138 | 3/32" | 2-1/8" | 2-5/16" | 70a | square | black | standard |
| zusahsq70139 | buna-n | inch | 139 | 3/32" | 2-3/16" | 2-3/8" | 70a | square | black | standard |
| zusahsq70210 | buna-n | inch | 210 | 1/8" | 3/4" | 1" | 70a | square | black | standard |
| zusahsq70211 | buna-n | inch | 211 | 1/8" | 13/16" | 1-1/16" | 70a | square | black | standard |
| zusahsq70212 | buna-n | inch | 212 | 1/8" | 7/8" | 1-1/8" | 70a | square | black | standard |
| zusahsq70214 | buna-n | inch | 214 | 1/8" | 1" | 1-1/4" | 70a | square | black | standard |
| zusahsq70215 | buna-n | inch | 215 | 1/8" | 1-1/16" | 1-5/16" | 70a | square | black | standard |
| zusahsq70216 | buna-n | inch | 216 | 1/8" | 1-1/8" | 1-3/8" | 70a | square | black | standard |
| zusahsq70219 | buna-n | inch | 219 | 1/8" | 1-5/16" | 1-9/16" | 70a | square | black | standard |
| zusahsq70220 | buna-n | inch | 220 | 1/8" | 1-3/8" | 1-5/8" | 70a | square | black | standard |
| zusahsq70221 | buna-n | inch | 221 | 1/8" | 1-7/16" | 1-11/16" | 70a | square | black | standard |
| zusahsq70222 | buna-n | inch | 222 | 1/8" | 1-1/2" | 1-3/4" | 70a | square | black | standard |
| zusahsq70223 | buna-n | inch | 223 | 1/8" | 1-5/8" | 1-7/8" | 70a | square | black | standard |
| zusahsq70225 | buna-n | inch | 225 | 1/8" | 1-7/8" | 2-1/8" | 70a | square | black | standard |
| zusahsq70227 | buna-n | inch | 227 | 1/8" | 2-1/8" | 2-3/8" | 70a | square | black | standard |
| zusahsq70229 | buna-n | inch | 229 | 1/8" | 2-3/8" | 2-5/8" | 70a | square | black | standard |
| zusahsq70230 | buna-n | inch | 230 | 1/8" | 2-1/2" | 2-3/4" | 70a | square | black | standard |
| zusahsq70231 | buna-n | inch | 231 | 1/8" | 2-5/8" | 2-7/8" | 70a | square | black | standard |
| zusahsq70232 | buna-n | inch | 232 | 1/8" | 2-3/4" | 3" | 70a | square | black | standard |
| zusahsq70234 | buna-n | inch | 234 | 1/8" | 3" | 3-1/4" | 70a | square | black | standard |
| zusahsq70235 | buna-n | inch | 235 | 1/8" | 3-1/8" | 3-3/8" | 70a | square | black | standard |
| zusahsq70237 | buna-n | inch | 237 | 1/8" | 3-3/8" | 3-5/8" | 70a | square | black | standard |
| zusahsq70240 | buna-n | inch | 240 | 1/8" | 3-3/4" | 4" | 70a | square | black | standard |
| zusahsq70246 | buna-n | inch | 246 | 1/8" | 4-1/2" | 4-3/4" | 70a | square | black | standard |
| zusahsq70325 | buna-n | inch | 325 | 3/16" | 1-1/2" | 1-7/8" | 70a | square | black | standard |
| zusahsq70326 | buna-n | inch | 326 | 3/16" | 1-5/8" | 2" | 70a | square | black | standard |
| zusahsq70336 | buna-n | inch | 336 | 3/16" | 2-7/8" | 3-1/4" | 70a | square | black | standard |
| zusahsq70337 | buna-n | inch | 337 | 3/16" | 3" | 3-3/8" | 70a | square | black | standard |
Loading...
Basic Information
| Material | Buna-N Food Grade | Environment, Applications | Mineral Oil Resistant / Water Resistant | Material | Buna-N |
|---|---|---|---|---|---|
| Durometer | 70A | Hardness | Standard | Cross Section Shape | Square |
| Color | Black | Grade | Standard | Temperature Range | -40° to 250° F |
Specification/Dimensions
-
I.D. d(Ø)
-
Dash Size
-
Cross Section (Actual)
-
Cross Section (Fractional)
-
ID (Actual)
- 0.114"
- 0.145"
- 0.176"
- 0.208"
- 0.239"
- 0.301"
- 0.362"
- 0.364"
- 0.424"
- 0.426"
- 0.487"
- 0.489"
- 0.549"
- 0.551"
- 0.612"
- 0.614"
- 0.674"
- 0.676"
- 0.734"
- 0.737"
- 0.796"
- 0.799"
- 0.801"
- 0.859"
- 0.864"
- 0.924"
- 0.926"
- 0.984"
- 1.046"
- 1.109"
- 1.114"
- 1.296"
- 1.301"
- 1.359"
- 1.362"
- 1.364"
- 1.421"
- 1.475"
- 1.484"
- 1.487"
- 1.489"
- 1.600"
- 1.609"
- 1.737"
- 1.799"
- 1.859"
- 1.862"
- 1.864"
- 1.925"
- 1.987"
- 2.050"
- 2.109"
- 2.112"
- 2.175"
- 2.359"
- 2.484"
- 2.609"
- 2.734"
- 2.850"
- 2.975"
- 2.984"
- 3.109"
- 3.359"
- 3.734"
- 4.484"
-
ID (Fractional)
-
OD (Actual)
- 0.254"
- 0.285"
- 0.316"
- 0.348"
- 0.379"
- 0.441"
- 0.504"
- 0.566"
- 0.568"
- 0.629"
- 0.630"
- 0.691"
- 0.693"
- 0.754"
- 0.755"
- 0.808"
- 0.818"
- 0.880"
- 0.941"
- 0.943"
- 1.004"
- 1.005"
- 1.012"
- 1.066"
- 1.074"
- 1.130"
- 1.137"
- 1.254"
- 1.262"
- 1.324"
- 1.387"
- 1.441"
- 1.504"
- 1.568"
- 1.574"
- 1.629"
- 1.637"
- 1.693"
- 1.699"
- 1.762"
- 1.887"
- 1.895"
- 1.943"
- 2.004"
- 2.005"
- 2.020"
- 2.068"
- 2.131"
- 2.137"
- 2.193"
- 2.256"
- 2.318"
- 2.381"
- 2.387"
- 2.637"
- 2.762"
- 2.887"
- 3.012"
- 3.262"
- 3.270"
- 3.387"
- 3.395"
- 3.637"
- 4.012"
- 4.762"
-
OD (Fractional)
Days to Ship
-
- All
- 13 Days or Less
- 81 Days or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- O-Rings - for Special Sizing, S Series
- O-Rings - for Dynamic Applications, Thermal or Chemical Resistance, P Series
- O-Rings - for Larger Diameter Applications
- O-Rings - for Static Applications, G Series
- O-Ring JASO F404 2000 (for Motion and Retention)
- Oil Resistant Buna-N O-Rings
- High Temperature Soft Silicone O-Rings
- Cord Stock - Neoprene
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