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 5915-00-551-1789
NSN 5990-00-075-4053
NSN 4140-01-350-3277
NSN 5945-01-572-1286
NSN 6220-00-055-5498
NSN 6620-01-508-1996
NSN 4140-00-801-0067
NSN 6240-01-461-9635
NSN 5910-01-307-9178
NSN 5960-01-498-9427
NSN 2925-01-157-9204
NSN 5925-00-267-3044