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 4140-01-100-1223
NSN 5895-01-157-9273
NSN 5996-01-464-4276
NSN 4140-01-315-7868
NSN 6150-01-044-3909
NSN 5935-01-143-6493
NSN 5945-01-429-6626
NSN 6650-01-472-3621
NSN 6320-01-484-7734
NSN 5960-01-435-1167
NSN 5930-00-403-8891
NSN 6620-00-849-0110