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 4140-00-388-2330
NSN 6240-00-836-4980
NSN 5905-01-227-1783
NSN 7035-01-495-3146
NSN 6220-01-552-7313
NSN 6620-01-385-6172
NSN 5975-01-617-2188
NSN 5895-00-254-1918
NSN 5925-00-404-0396
NSN 5895-01-160-5584
NSN 2925-01-493-3245
NSN 5930-00-392-2888