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 6135-01-659-7653
NSN 5835-01-397-2865
NSN 5985-01-660-9298
NSN 5990-00-608-4779
NSN 6610-01-660-3966
NSN 6320-01-129-9656
NSN 5905-01-411-6782
NSN 4140-01-610-2974
NSN 6135-01-510-9986
NSN 6645-01-512-8472
NSN 5950-01-136-0338
NSN 5990-00-056-2027