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 4140-01-497-9231
NSN 5975-00-989-7416
NSN 6240-01-264-9586
NSN 5895-01-348-7442
NSN 6320-00-994-0179
NSN 7035-00-541-8516
NSN 5855-01-188-4049
NSN 6620-01-371-1655
NSN 6240-01-361-9167
NSN 5999-00-349-8950
NSN 4140-01-303-6524
NSN 5990-00-277-3763