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 5945-00-931-7761
NSN 6220-00-946-2955
NSN 6220-01-407-1124
NSN 5990-00-424-8872
NSN 6650-01-464-3545
NSN 5855-00-301-1176
NSN 5835-01-023-8733
NSN 5998-01-543-9680
NSN 6610-01-174-6820
NSN 5905-01-167-8138
NSN 4140-01-594-3096
NSN 5950-01-071-2027