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 6240-00-204-0459
NSN 4140-01-535-6477
NSN 6135-00-563-7711
NSN 5960-01-142-1995
NSN 5965-01-234-6844
NSN 5915-01-656-3718
NSN 5985-01-020-6284
NSN 5925-01-601-3858
NSN 5925-01-370-4417
NSN 5999-01-620-8365
NSN 5920-00-206-3595
NSN 5960-01-409-1917