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 5998-01-392-8979
NSN 6610-01-273-9317
NSN 6105-01-562-1901
NSN 5990-00-446-0518
NSN 2925-01-345-9439
NSN 6145-01-046-5565
NSN 5910-00-064-4706
NSN 6650-00-224-3223
NSN 5999-01-040-7681
NSN 5910-01-186-0672
NSN 5915-00-553-8755
NSN 6620-01-415-2307