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 4140-01-268-1351
NSN 2925-00-196-9003
NSN 5945-01-421-4135
NSN 5960-00-090-2991
NSN 6130-01-395-3641
NSN 6320-01-425-1417
NSN 6645-01-561-5930
NSN 5998-01-652-1309
NSN 6145-01-315-2402
NSN 5905-01-231-3116
NSN 5905-01-344-7453
NSN 5935-00-936-6079