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 4140-00-420-0251
NSN 5990-01-606-1873
NSN 5930-01-124-5923
NSN 5920-01-478-5777
NSN 5910-00-462-8697
NSN 6320-01-384-3850
NSN 6240-01-195-1750
NSN 5925-00-706-9975
NSN 6145-00-141-8095
NSN 6685-01-401-5360
NSN 6145-00-278-0697
NSN 5915-01-348-3535