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 4140-01-418-3017
NSN 6135-01-495-0933
NSN 5935-01-537-3437
NSN 5975-01-191-6206
NSN 6150-00-010-1416
NSN 5895-01-318-4471
NSN 6135-01-480-8121
NSN 6320-01-564-0893
NSN 7035-01-481-1552
NSN 6650-00-404-4400
NSN 5930-01-501-9658
NSN 5990-00-031-1686