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 4140-01-177-1445
NSN 5925-00-169-4513
NSN 6145-00-003-1812
NSN 6145-01-151-6129
NSN 6650-00-390-3568
NSN 5965-00-553-6898
NSN 6620-01-304-0944
NSN 5835-00-198-4936
NSN 5910-00-239-2035
NSN 5835-01-559-3824
NSN 5950-00-922-1626
NSN 6110-00-752-2757