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DFARS Specialty Metals
Make-Your-Own O-Ring Kits with Cord Stock

Everything you need to make custom O-rings on demand. These kits include cord stock, a razor blade, a splicing jig, and adhesive. The adhesive does not work well on silicone—if you want to make silicone O-rings, consider a hot-bonding kit instead.
Buna-N resists grease, hydraulic oil, and motor oil, in addition to mild chemicals and water.
Viton® fluoroelastomer holds up to a wide range of chemicals. It also resists transmission fluid.
EPDM withstands water, steam, and glycol-based fluids, including brake fluid.
Buna-N Rubber
O-Ring Kits | Replacement Adhesives (0.1 fl. oz) | ||||||
|---|---|---|---|---|---|---|---|
| Wd. | Temperature Range, °F | Color | Lg., ft. | Each | Each | ||
Round—Durometer 50A (Soft) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -25° to 212° | Black | 7 | 9543N11 | 000000 | 7625A16 | 00000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -25° to 212° | Black | 3 | 9543N12 | 00000 | 7625A16 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -25° to 212° | Black | 3 | 9543N13 | 000000 | 7625A16 | 0000 |
Round—Durometer 70A (Medium) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -25° to 212° | Black | 7 | 9543N51 | 00000 | 7625A16 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -25° to 212° | Black | 3 | 9693K1 | 00000 | 7625A16 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -25° to 212° | Black | 3 | 9410K11 | 00000 | 7625A16 | 0000 |
Round—Durometer 90A (Hard) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -25° to 212° | Black | 7 | 9543N14 | 00000 | 7625A16 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -25° to 212° | Black | 3 | 9543N15 | 00000 | 7625A16 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -25° to 212° | Black | 3 | 9543N16 | 00000 | 7625A16 | 0000 |
Square—Durometer 70A (Medium) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -25° to 212° | Black | 7 | 9543N17 | 00000 | 7625A16 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -25° to 212° | Black | 3 | 9543N18 | 00000 | 7625A16 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -25° to 212° | Black | 3 | 9543N19 | 000000 | 7625A16 | 0000 |
Viton® Fluoroelastomer Rubber
O-Ring Kits | Replacement Adhesives (0.1 fl. oz) | ||||||
|---|---|---|---|---|---|---|---|
| Wd. | Temperature Range, °F | Color | Lg., ft. | Each | Each | ||
Round—Durometer 60A (Soft) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | 5° to 395° | Black | 7 | 9543N23 | 0000000 | 7625A16 | 00000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | 5° to 395° | Black | 3 | 9543N24 | 000000 | 7625A16 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | 5° to 395° | Black | 3 | 9543N25 | 000000 | 7625A16 | 0000 |
Round—Durometer 75A (Medium) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | 5° to 395° | Black | 7 | 9543N52 | 00000 | 7625A16 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | 5° to 395° | Black | 3 | 9543N21 | 000000 | 7625A16 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | 5° to 395° | Black | 3 | 9543N22 | 000000 | 7625A16 | 0000 |
Round—Durometer 90A (Hard) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | 5° to 395° | Black | 7 | 9543N26 | 000000 | 7625A16 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | 5° to 395° | Black | 3 | 9543N27 | 000000 | 7625A16 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | 5° to 395° | Black | 3 | 9543N28 | 000000 | 7625A16 | 0000 |
Square—Durometer 75A (Medium) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | 5° to 395° | Black | 7 | 9543N29 | 000000 | 7625A16 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | 5° to 395° | Black | 3 | 9543N31 | 000000 | 7625A16 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | 5° to 395° | Black | 3 | 9543N32 | 000000 | 7625A16 | 0000 |
EPDM Rubber
O-Ring Kits | Replacement Adhesives (0.1 fl. oz) | ||||||
|---|---|---|---|---|---|---|---|
| Wd. | Temperature Range, °F | Color | Lg., ft. | Each | Each | ||
Round—Durometer 60A (Soft) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -40° to 250° | Black | 7 | 9543N35 | 000000 | 74555A44 | 00000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N36 | 00000 | 74555A44 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N37 | 000000 | 74555A44 | 0000 |
Round—Durometer 70A (Medium) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -40° to 250° | Black | 7 | 13105K41 | 00000 | 74555A44 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N33 | 00000 | 74555A44 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N34 | 00000 | 74555A44 | 0000 |
Round—Durometer 90A (Hard) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -40° to 250° | Black | 7 | 9543N38 | 00000 | 74555A44 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N39 | 00000 | 74555A44 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N41 | 000000 | 74555A44 | 0000 |
Square—Durometer 70A (Medium) | |||||||
| 0.07", 0.103", 0.139", 0.21", 0.275" | -40° to 250° | Black | 7 | 9543N42 | 00000 | 74555A44 | 0000 |
| 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N43 | 00000 | 74555A44 | 0000 |
| 0.07", 0.103", 0.139", 0.21", 0.275", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5.7 mm, 8.4 mm | -40° to 250° | Black | 3 | 9543N44 | 000000 | 74555A44 | 0000 |
Cutting Tools

| Each | ||
| 9450K108 | 000000 |


























