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 5895-01-594-8740
NSN 5990-01-172-4553
NSN 2925-01-587-3956
NSN 5910-00-156-0993
NSN 4140-01-477-5472
NSN 5960-00-495-9113
NSN 5996-01-400-1640
NSN 5975-01-542-4606
NSN 6110-00-153-5395
NSN 6240-00-296-0488
NSN 6240-01-116-5988
NSN 5975-01-409-2948