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 6220-01-538-3186
NSN 6220-01-586-9471
NSN 6105-01-415-9913
NSN 2925-00-233-5644
NSN 2925-00-753-8598
NSN 6135-01-544-8463
NSN 5920-01-384-3387
NSN 5998-01-039-1957
NSN 5920-00-819-3518
NSN 2925-01-547-4565
NSN 4140-01-131-6608
NSN 6135-01-131-9352