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 4140-00-810-1973
NSN 5975-01-656-0445
NSN 6110-01-659-1131
NSN 5998-00-424-6874
NSN 6650-01-559-2934
NSN 6110-00-683-5461
NSN 5905-01-322-4901
NSN 6610-00-680-8325
NSN 5905-01-141-0641
NSN 5950-01-360-5338
NSN 5945-01-443-5357
NSN 5996-01-238-5494