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 5935-01-256-5305
NSN 5985-01-373-5046
NSN 5990-01-179-1000
NSN 6240-01-163-2813
NSN 6150-01-113-7574
NSN 5960-01-605-9921
NSN 5930-01-160-1855
NSN 6220-00-211-6146
NSN 5990-01-512-9129
NSN 6650-00-276-7541
NSN 6610-01-153-8625
NSN 6610-01-617-5228