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 5930-00-185-2978
NSN 5985-00-081-1885
NSN 6320-01-549-3153
NSN 2925-01-478-8191
NSN 5915-00-489-7445
NSN 6685-01-193-1733
NSN 5915-01-453-0200
NSN 5915-01-573-9971
NSN 6110-01-616-1127
NSN 5975-01-436-2333
NSN 5920-01-387-9972
NSN 5960-01-017-0989