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 5999-01-320-5734
NSN 4140-01-147-2164
NSN 6650-01-166-1914
NSN 5930-01-509-7439
NSN 6620-00-568-3947
NSN 5945-00-233-7426
NSN 6220-00-510-7899
NSN 5930-01-067-2992
NSN 6320-01-108-5933
NSN 5950-01-423-9901
NSN 5990-00-263-1289
NSN 6240-01-633-9357