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 5920-00-552-1567
NSN 2925-01-535-7235
NSN 6240-01-598-2191
NSN 6320-00-643-0958
NSN 5895-01-606-2991
NSN 6610-00-598-5268
NSN 6135-01-513-2083
NSN 4140-00-895-3417
NSN 5915-00-979-3932
NSN 5935-01-258-5867
NSN 6620-01-329-6497
NSN 5910-00-146-8665