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 5910-01-630-6015
NSN 6150-01-409-2858
NSN 5999-00-847-5535
NSN 2925-01-243-0328
NSN 4140-01-423-6219
NSN 6220-01-470-7388
NSN 6220-01-188-6962
NSN 7035-00-679-9027
NSN 5905-01-619-7669
NSN 5910-00-666-0561
NSN 6220-01-576-8405
NSN 5975-00-226-8429