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 4140-01-634-0330
NSN 5925-01-445-6112
NSN 6130-00-309-0852
NSN 5915-01-420-6944
NSN 2925-01-590-8691
NSN 5998-01-605-0621
NSN 5965-01-025-5129
NSN 5985-00-233-7284
NSN 5855-01-118-2228
NSN 6620-01-016-3091
NSN 5920-01-182-4940
NSN 4140-00-679-9512