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 4140-01-621-9723
NSN 5945-01-147-5727
NSN 6110-01-485-6600
NSN 5925-01-524-0448
NSN 6650-01-263-0645
NSN 5915-01-093-0801
NSN 2925-01-082-7248
NSN 5920-01-528-8136
NSN 5975-01-190-5489
NSN 6240-00-244-0483
NSN 6150-00-317-3488
NSN 5920-00-981-5821