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 6240-00-784-0740
NSN 2925-00-179-7143
NSN 6620-01-380-4882
NSN 6620-01-575-1631
NSN 4140-01-391-1974
NSN 6145-01-332-3416
NSN 5990-00-170-4239
NSN 6135-01-537-7639
NSN 6650-01-364-8504
NSN 2925-01-435-9057
NSN 5895-00-946-3857
NSN 5895-01-371-0570