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 5930-01-425-1902
NSN 5960-01-120-4893
NSN 5950-00-230-0635
NSN 4140-00-765-7748
NSN 5915-01-646-6233
NSN 6220-01-524-0285
NSN 6220-00-461-1494
NSN 4140-00-395-7006
NSN 5925-01-261-1677
NSN 5975-00-258-3056
NSN 5905-01-462-0057
NSN 6650-01-428-2251