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 5985-01-355-9748
NSN 5985-01-477-7819
NSN 5915-01-434-8946
NSN 4140-00-450-1989
NSN 5935-00-243-8752
NSN 5925-01-435-5869
NSN 6610-01-444-4001
NSN 6220-00-959-5970
NSN 5996-01-100-1499
NSN 6110-01-160-0632
NSN 5999-01-429-8926
NSN 6240-01-364-6965