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 5990-00-810-3969
NSN 6320-01-574-1915
NSN 5996-01-463-3152
NSN 6620-01-401-5356
NSN 5835-00-364-0816
NSN 6135-00-299-6918
NSN 5945-01-513-8305
NSN 5835-00-092-1136
NSN 5996-00-168-7651
NSN 5975-00-636-4910
NSN 5945-01-509-7851
NSN 7035-01-487-6481