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 6240-01-360-4352
NSN 6320-00-937-5625
NSN 4140-01-613-4492
NSN 5925-01-657-7860
NSN 5855-01-253-7695
NSN 6220-01-352-2496
NSN 5990-01-066-1526
NSN 2925-00-200-0085
NSN 6610-00-945-3112
NSN 6145-00-849-1353
NSN 4140-01-167-7574
NSN 5965-01-040-4178