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 5930-00-920-8640
NSN 5945-00-515-2667
NSN 5855-00-055-1694
NSN 5930-01-348-2776
NSN 5990-01-586-8202
NSN 5925-00-214-0461
NSN 5985-00-343-3632
NSN 5990-01-102-9617
NSN 5998-01-303-1723
NSN 6145-01-261-1940
NSN 6240-01-310-8778
NSN 6135-01-067-8331