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 4140-00-470-4707
NSN 5990-01-261-2962
NSN 5855-01-495-1038
NSN 5960-01-260-0770
NSN 6220-01-242-0345
NSN 5915-01-620-4302
NSN 2925-00-455-2367
NSN 5910-00-060-2866
NSN 6220-01-427-2333
NSN 6610-00-185-9434
NSN 5990-01-204-4874
NSN 4140-00-191-1236