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 5920-01-346-2978
NSN 5975-01-257-8534
NSN 5855-01-010-4921
NSN 5960-01-170-2258
NSN 6135-00-170-8819
NSN 5835-01-485-1408
NSN 4140-01-408-7737
NSN 6150-01-648-8144
NSN 6145-01-572-1557
NSN 6110-00-170-6520
NSN 5935-00-397-9131
NSN 5910-00-180-2550