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 5895-01-649-7040
NSN 5945-01-578-0924
NSN 6220-01-264-3485
NSN 6320-01-113-7647
NSN 5945-01-642-2861
NSN 4140-00-105-1061
NSN 6145-01-061-4513
NSN 6645-01-454-3174
NSN 2925-00-555-8836
NSN 4140-01-649-3960
NSN 6220-01-171-0957
NSN 6650-00-404-1788