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 4140-01-419-7721
NSN 5985-01-135-2652
NSN 5855-00-906-5386
NSN 6105-01-620-9398
NSN 5930-01-595-5202
NSN 5920-00-090-8396
NSN 6220-01-603-7293
NSN 7035-00-830-1235
NSN 5960-01-491-2993
NSN 5915-01-419-2843
NSN 6685-00-153-3914
NSN 5985-01-146-4689