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 5910-01-445-0030
NSN 4140-00-915-6125
NSN 5925-01-265-4679
NSN 5985-01-445-5150
NSN 6650-01-524-8171
NSN 5835-01-394-7589
NSN 6320-00-925-0558
NSN 5985-01-414-6720
NSN 5996-01-156-5947
NSN 5999-00-785-1856
NSN 6130-01-242-9720
NSN 6610-00-253-7676