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 5920-01-504-9497
NSN 6240-01-626-3242
NSN 4140-01-339-8223
NSN 5990-01-582-1977
NSN 5975-01-029-9006
NSN 6320-01-452-2394
NSN 6105-00-792-8384
NSN 5999-00-916-7992
NSN 6645-01-501-0576
NSN 5905-01-362-8612
NSN 6145-01-129-6897
NSN 6645-01-012-6082