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 5925-01-607-7422
NSN 6135-01-154-3526
NSN 6145-01-017-5630
NSN 5990-01-071-1505
NSN 6150-00-840-6946
NSN 6620-00-073-9859
NSN 5910-01-469-0151
NSN 5935-00-727-8772
NSN 5935-00-469-4403
NSN 5998-00-316-5434
NSN 4140-00-249-5603
NSN 4140-00-294-3654