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 5895-01-521-3111
NSN 4140-00-332-5956
NSN 4140-01-411-7445
NSN 5930-00-584-3487
NSN 5945-01-364-9191
NSN 5925-01-365-0436
NSN 6220-01-061-3615
NSN 5855-00-058-1293
NSN 5960-00-197-6282
NSN 5905-00-902-7989
NSN 5920-00-538-7915
NSN 5999-00-196-3588