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 5990-01-259-7138
NSN 4140-00-781-0484
NSN 5998-01-552-7924
NSN 5965-01-441-1525
NSN 5990-01-064-9399
NSN 6145-00-119-8201
NSN 6220-00-410-4650
NSN 5950-01-381-4866
NSN 5965-01-283-6106
NSN 5905-00-597-6081
NSN 6220-01-191-7643
NSN 4140-01-123-9149