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 5920-01-173-4108
NSN 6135-01-020-3805
NSN 5905-01-032-0297
NSN 5855-01-492-2042
NSN 6620-01-131-2480
NSN 5910-01-400-0891
NSN 6110-01-378-8801
NSN 4140-00-165-6535
NSN 2925-01-311-7840
NSN 5855-01-255-1688
NSN 2925-01-442-0878
NSN 5935-01-487-7276