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 6240-00-235-5159
NSN 6650-01-383-4526
NSN 6610-01-507-9476
NSN 5996-01-503-0203
NSN 6135-01-074-8220
NSN 6220-01-569-1297
NSN 4140-01-415-0941
NSN 5945-01-428-4033
NSN 6220-01-140-2943
NSN 5930-01-234-1827
NSN 6620-00-467-7414
NSN 5930-01-091-0470