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 2925-01-437-1128
NSN 5965-00-845-1905
NSN 5935-01-141-9957
NSN 5915-00-790-3722
NSN 5920-00-007-5165
NSN 6620-00-919-0163
NSN 6145-01-151-5197
NSN 5960-00-644-4982
NSN 6650-01-146-5000
NSN 5905-01-150-3480
NSN 5990-01-439-4643
NSN 6620-01-641-7592