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 4140-01-325-0021
NSN 6620-00-246-5159
NSN 2925-00-719-9611
NSN 5855-00-631-4565
NSN 6220-01-126-8275
NSN 6645-01-029-8528
NSN 5910-01-212-5903
NSN 5998-00-984-4159
NSN 6220-00-468-5801
NSN 6645-00-226-0657
NSN 5998-01-167-7599
NSN 5945-00-905-5353