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 4140-00-195-1980
NSN 6220-01-624-8953
NSN 5975-01-141-8485
NSN 5905-00-838-7380
NSN 6145-00-216-6613
NSN 5855-01-406-9451
NSN 6135-00-990-1822
NSN 5975-00-565-7593
NSN 7035-01-323-8262
NSN 2925-00-400-5634
NSN 6130-00-174-5718
NSN 5930-01-281-6980