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 4140-01-660-7964
NSN 5975-01-649-7828
NSN 6650-01-548-3495
NSN 5965-01-449-1101
NSN 5990-01-546-1649
NSN 5915-00-891-9925
NSN 5915-00-636-9785
NSN 5950-00-660-5159
NSN 7035-01-186-5786
NSN 5920-01-342-3268
NSN 5915-01-220-1641
NSN 5945-01-459-1560