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 5975-01-601-5988
NSN 5999-01-536-8286
NSN 4140-00-904-8153
NSN 5999-00-832-6517
NSN 6645-01-193-1277
NSN 5835-01-199-5902
NSN 6240-01-521-2921
NSN 6135-00-715-4001
NSN 6620-01-103-3556
NSN 5960-00-677-0564
NSN 5925-01-648-6783
NSN 5965-00-201-1167