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 5905-01-643-1630
NSN 6620-01-225-9510
NSN 6240-01-300-0742
NSN 6320-00-646-3311
NSN 6240-01-257-7885
NSN 5905-01-014-0178
NSN 5996-01-431-9759
NSN 6110-01-491-8755
NSN 6150-01-269-2131
NSN 6135-01-231-3991
NSN 4140-01-507-3172
NSN 5905-00-900-2784