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 4140-00-405-2192
NSN 6240-01-373-4530
NSN 6135-01-252-0315
NSN 6150-01-522-2856
NSN 6220-00-121-1885
NSN 5915-00-255-6162
NSN 6240-01-047-7697
NSN 5960-01-169-1372
NSN 5930-00-293-2492
NSN 6610-00-845-1070
NSN 6320-01-386-3491
NSN 5905-00-318-6869