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 4140-01-642-5769
NSN 5965-01-350-1890
NSN 5985-01-104-6697
NSN 2925-01-100-3694
NSN 5925-01-576-6863
NSN 5950-01-387-5906
NSN 5855-01-551-4525
NSN 5975-01-442-0647
NSN 2925-00-221-8529
NSN 6320-01-364-1732
NSN 6135-01-433-2062
NSN 5975-00-993-2536