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 6130-01-256-9390
NSN 4140-01-100-4164
NSN 5999-01-141-6859
NSN 6645-01-370-5264
NSN 6145-00-889-1492
NSN 6220-01-487-2229
NSN 6220-01-334-0613
NSN 5975-01-548-8965
NSN 5960-01-411-5899
NSN 5998-01-474-2139
NSN 5990-01-157-0441
NSN 6650-00-264-0664