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 6240-00-168-1474
NSN 5996-00-043-1991
NSN 5960-01-170-4057
NSN 5920-01-138-4984
NSN 6620-01-059-0876
NSN 5975-01-313-2425
NSN 6130-01-421-4538
NSN 6220-01-262-2209
NSN 5990-01-421-3325
NSN 6610-01-409-1781
NSN 5835-00-551-3050
NSN 6150-00-273-7758