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 6220-00-021-9040
NSN 6620-00-512-4147
NSN 5920-01-381-2597
NSN 2925-01-504-9132
NSN 6145-01-534-6151
NSN 5990-01-280-0321
NSN 6620-01-023-9330
NSN 4140-01-239-2309
NSN 2925-00-149-0760
NSN 6645-01-259-7142
NSN 5905-01-281-2256
NSN 6105-00-191-0598