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 6320-01-512-2031
NSN 5930-01-615-5983
NSN 2925-01-291-9997
NSN 5985-00-889-0320
NSN 6220-00-269-4556
NSN 6650-00-809-1817
NSN 5945-00-081-0859
NSN 5855-00-951-6483
NSN 5895-00-188-8156
NSN 5975-01-179-0167
NSN 5960-01-170-4057
NSN 5855-01-297-7847