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 5905-01-655-6921
NSN 2925-00-211-4761
NSN 6105-01-302-1788
NSN 6650-01-133-7806
NSN 2925-01-167-6500
NSN 6320-01-622-5493
NSN 6110-01-038-1454
NSN 5999-01-417-3028
NSN 6105-01-281-7714
NSN 5930-01-388-2562
NSN 2925-01-502-5896
NSN 4140-01-399-0330