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 5835-01-131-2027
NSN 6240-01-145-3931
NSN 5935-01-644-7494
NSN 7035-00-679-9027
NSN 6240-00-870-9129
NSN 6110-01-504-5237
NSN 4140-01-437-7176
NSN 6105-00-280-2808
NSN 5925-01-409-2616
NSN 5835-01-564-5575
NSN 5990-01-462-1617
NSN 5920-00-180-4278