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 5930-00-273-0778
NSN 5930-01-366-1335
NSN 5915-01-373-5512
NSN 5910-00-535-7663
NSN 5855-00-455-6070
NSN 6135-00-782-6988
NSN 5965-01-571-0309
NSN 6150-00-518-1402
NSN 6620-01-449-8743
NSN 5975-00-958-6490
NSN 5999-01-354-2778
NSN 6105-01-633-4592