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 4140-00-353-5757
NSN 6220-01-362-4156
NSN 6320-01-253-9585
NSN 6240-01-557-1177
NSN 5975-00-539-7300
NSN 5930-01-542-6000
NSN 5985-00-132-6897
NSN 5920-00-173-4434
NSN 5965-00-510-4301
NSN 7035-01-501-2950
NSN 5998-01-429-7010
NSN 6650-01-221-5367