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 6240-01-409-2465
NSN 6220-01-525-5956
NSN 2925-01-511-5359
NSN 2925-01-068-3844
NSN 5998-01-510-3201
NSN 6620-01-131-2480
NSN 6110-01-472-3404
NSN 5998-01-074-9970
NSN 5910-00-171-3414
NSN 5925-00-710-6642
NSN 6135-01-641-8640
NSN 4140-00-063-9112