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 5930-01-185-1993
NSN 5999-01-605-1592
NSN 5960-01-243-7291
NSN 5855-01-308-0955
NSN 5905-00-652-6496
NSN 5960-01-214-0951
NSN 5915-01-478-5308
NSN 5925-01-317-3869
NSN 4140-01-614-4139
NSN 5975-01-200-7710
NSN 6320-01-436-9228
NSN 5930-00-598-9680