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 5999-00-904-6654
NSN 4140-00-240-1848
NSN 5990-01-388-9264
NSN 5996-01-527-1492
NSN 6650-01-581-4368
NSN 5998-01-424-6810
NSN 5945-01-571-6997
NSN 5999-01-215-8073
NSN 5990-01-529-8433
NSN 4140-00-459-9045
NSN 5990-01-465-9235
NSN 6145-01-010-2533