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 5915-01-524-4157
NSN 5999-01-401-5322
NSN 2925-01-513-9114
NSN 5950-01-589-8105
NSN 6320-00-070-4544
NSN 5975-01-580-0307
NSN 6610-00-830-5832
NSN 6650-01-493-9985
NSN 5999-01-429-0149
NSN 4140-00-255-2458
NSN 6220-01-373-8889
NSN 6650-01-435-2994