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 4140-01-421-4045
NSN 2925-01-344-6073
NSN 6130-01-634-0603
NSN 5998-01-411-5941
NSN 6110-00-477-4558
NSN 6130-01-243-0983
NSN 5960-01-491-9916
NSN 6645-01-206-4888
NSN 5930-01-152-8021
NSN 6150-01-132-7828
NSN 6645-01-589-0983
NSN 5960-01-359-4257