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 6130-01-585-1671
NSN 6145-01-173-1818
NSN 5950-01-227-7095
NSN 5920-00-496-8006
NSN 5935-00-503-8645
NSN 5950-01-062-8714
NSN 5945-00-762-7380
NSN 6220-00-373-3679
NSN 5835-01-641-0073
NSN 6145-00-965-8069
NSN 5965-01-510-6380
NSN 6145-01-345-8981