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 5950-01-308-2080
NSN 6320-01-185-3857
NSN 5975-01-401-5355
NSN 6135-01-520-4670
NSN 5950-01-509-7984
NSN 6135-01-074-8220
NSN 5920-01-542-6822
NSN 6240-01-283-0404
NSN 5910-01-140-0329
NSN 5920-01-248-4934
NSN 5945-00-655-1415
NSN 5905-01-399-4500