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 5930-01-194-4034
NSN 5935-00-439-0688
NSN 5920-01-153-8821
NSN 6135-01-423-3915
NSN 2925-01-532-0781
NSN 6620-01-197-6277
NSN 5930-01-456-2804
NSN 6130-01-418-1606
NSN 6130-01-352-2961
NSN 5960-00-310-3844
NSN 5915-00-111-1363
NSN 6150-00-052-7995