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 6620-00-905-6590
NSN 6130-01-441-7903
NSN 5990-01-487-0871
NSN 5960-01-464-1443
NSN 6645-00-824-6407
NSN 6620-00-967-3662
NSN 5920-01-581-3703
NSN 5925-01-211-7745
NSN 5905-01-501-5013
NSN 5920-00-190-7466
NSN 6610-01-397-4607
NSN 6320-00-583-3104