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 6240-01-256-4570
NSN 6105-00-034-6053
NSN 4140-01-375-5820
NSN 5910-01-004-0407
NSN 2925-01-456-6840
NSN 5855-01-407-5761
NSN 6240-00-239-8295
NSN 2925-01-411-4666
NSN 5855-00-149-0766
NSN 6145-00-327-4770
NSN 6685-00-675-1575
NSN 6220-01-551-1681