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 5920-01-298-1382
NSN 5965-01-415-3865
NSN 5905-01-648-2685
NSN 5975-00-026-0933
NSN 6240-00-683-0725
NSN 6650-00-169-1866
NSN 6145-01-449-0342
NSN 5998-00-110-8652
NSN 6110-00-804-1085
NSN 5905-00-376-5220
NSN 5920-01-462-1593
NSN 4140-00-450-5827