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 4140-01-634-0330
NSN 2925-00-961-2117
NSN 4140-01-531-5714
NSN 5835-01-447-2544
NSN 6105-00-243-4001
NSN 5895-01-277-6904
NSN 6610-00-888-4863
NSN 6110-01-406-4818
NSN 7035-01-140-8916
NSN 5965-01-251-4381
NSN 2925-00-701-9991
NSN 5835-01-452-7081