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 4140-01-400-3610
NSN 6610-01-491-6226
NSN 6240-01-363-3810
NSN 5965-01-252-8701
NSN 5965-01-201-1580
NSN 5930-01-582-9676
NSN 6645-01-123-9277
NSN 6650-01-538-5528
NSN 6220-01-127-5233
NSN 5998-01-200-6649
NSN 5920-01-218-5742
NSN 6220-01-032-6581