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 6620-01-143-2569
NSN 5915-01-546-9193
NSN 5935-01-115-4994
NSN 4140-01-607-4309
NSN 7035-01-482-8608
NSN 7035-00-155-9513
NSN 6220-00-847-1520
NSN 5965-00-412-4402
NSN 5905-01-630-4691
NSN 6145-00-631-4085
NSN 6320-00-809-5744
NSN 5999-01-433-8067