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 5930-00-185-2978
NSN 5996-00-514-7678
NSN 5920-01-495-9613
NSN 5985-00-707-3473
NSN 5960-01-050-0264
NSN 5915-00-226-6863
NSN 6135-01-095-5921
NSN 6620-01-424-6925
NSN 5975-01-381-5747
NSN 5855-00-256-5562
NSN 6240-01-253-0687
NSN 6220-00-480-9172