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 6685-01-644-1782
NSN 5996-01-100-1499
NSN 4140-00-167-4712
NSN 6150-00-483-1880
NSN 7035-01-453-9175
NSN 6610-01-572-6625
NSN 6620-01-605-2590
NSN 5998-01-395-8578
NSN 5855-01-517-7325
NSN 5905-01-515-1506
NSN 6150-01-112-0227
NSN 5985-01-207-0952