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 4140-00-557-7001
NSN 5999-01-250-1666
NSN 5920-01-401-5315
NSN 5855-01-294-0912
NSN 5990-01-364-0813
NSN 5965-01-069-5650
NSN 6320-01-171-3238
NSN 6145-00-203-7776
NSN 6135-00-221-4720
NSN 7035-00-510-3778
NSN 5925-01-435-8109
NSN 6240-01-441-3606