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 6220-01-634-0660
NSN 6145-01-367-1404
NSN 5945-01-493-5989
NSN 5920-01-520-7576
NSN 5905-01-222-5874
NSN 5930-00-727-1974
NSN 5920-01-570-3046
NSN 5998-00-045-3867
NSN 5998-01-433-2714
NSN 6320-00-636-0922
NSN 5990-01-251-7313
NSN 2925-00-233-5644