Item must comply with requirements of defense supply center columbus production standard no. Lo1156
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 5920-01-279-5010
NSN 6110-00-171-2214
NSN 6620-01-616-1772
NSN 5855-01-495-2670
NSN 4140-00-235-6377
NSN 6130-01-105-0258
NSN 5965-01-448-6055
NSN 5998-00-212-4406
NSN 5910-01-196-7181
NSN 5925-00-018-9198
NSN 5965-01-517-2000
NSN 5935-01-222-0204