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 4140-01-039-3638
NSN 6135-01-036-3495
NSN 5910-01-469-9443
NSN 6220-00-968-0235
NSN 5998-01-309-8320
NSN 5835-01-576-2040
NSN 5855-00-361-0167
NSN 6645-01-157-4199
NSN 5975-01-512-2956
NSN 6110-00-679-8961
NSN 5975-00-004-9431
NSN 5999-01-077-2218