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 5910-00-663-5865
NSN 6685-00-183-6243
NSN 6610-01-495-8898
NSN 5990-00-644-3365
NSN 6650-00-006-9650
NSN 6105-01-119-9623
NSN 5855-01-634-0259
NSN 6110-01-280-1801
NSN 5975-01-568-0516
NSN 5920-00-472-1160
NSN 4140-01-386-4838
NSN 6150-01-229-7638