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 5990-01-004-6343
NSN 5945-01-393-7222
NSN 5920-00-132-3115
NSN 6220-01-165-0256
NSN 6110-01-519-2636
NSN 6620-01-449-8743
NSN 6130-00-879-9887
NSN 4140-01-167-2812
NSN 6110-00-982-2838
NSN 7035-00-834-2090
NSN 5920-01-094-0857
NSN 5998-00-229-8341