Item must comply with requirements of defense supply center columbus production standard no. Lo1156
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5950-01-441-2143
NSN 6130-00-144-0095
NSN 5935-00-951-8513
NSN 6240-01-051-2557
NSN 6645-01-025-1002
NSN 6220-00-228-7791
NSN 5930-01-642-1353
NSN 6130-01-197-2920
NSN 6320-01-161-6640
NSN 6220-01-598-8868
NSN 7035-01-319-7066
NSN 5920-01-148-5279