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 4140-01-540-9102
NSN 6610-00-450-4875
NSN 6645-01-418-8304
NSN 5945-01-426-8747
NSN 6130-00-871-8090
NSN 5965-01-229-4990
NSN 4140-01-332-6904
NSN 5925-01-028-9336
NSN 5855-01-409-1792
NSN 6240-01-468-5576
NSN 5985-01-632-3963
NSN 5965-01-514-7231