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 5925-00-636-5683
NSN 5935-00-838-3393
NSN 7035-01-479-5268
NSN 5920-01-353-6423
NSN 6240-01-004-7515
NSN 6620-01-143-4862
NSN 5975-01-361-8080
NSN 5925-01-442-3792
NSN 5935-01-229-0346
NSN 5990-01-188-7309
NSN 4140-00-205-0853
NSN 6240-01-431-9827