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 4140-01-471-4646
NSN 6650-01-365-4286
NSN 6240-01-188-7282
NSN 5975-01-544-0263
NSN 5915-01-631-7144
NSN 5930-01-243-2501
NSN 5910-01-424-4818
NSN 6650-01-475-3714
NSN 5960-01-212-4227
NSN 5895-00-957-6277
NSN 4140-00-334-4762
NSN 6620-01-509-8597