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 6240-00-019-3146
NSN 5990-00-660-8885
NSN 6220-01-548-3692
NSN 4140-01-058-6602
NSN 4140-01-526-4090
NSN 6130-01-398-0440
NSN 6645-01-123-9277
NSN 6320-01-433-1210
NSN 6320-01-250-0290
NSN 6320-01-334-5305
NSN 4140-00-920-6393
NSN 6650-01-411-6292