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 5920-01-487-4146
NSN 4140-00-470-0530
NSN 6130-00-182-3006
NSN 6610-01-352-6344
NSN 6685-00-005-1288
NSN 6145-01-261-5150
NSN 5999-01-222-6180
NSN 5996-01-394-5768
NSN 6650-01-056-5418
NSN 4140-01-376-0986
NSN 5996-01-195-7518
NSN 2925-01-239-6044