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 4140-00-738-2640
NSN 5985-01-599-5173
NSN 6620-00-292-7000
NSN 5985-00-835-6607
NSN 2925-01-197-7864
NSN 2925-00-138-5542
NSN 5990-01-040-0193
NSN 6150-01-318-1782
NSN 7035-01-495-1766
NSN 5925-00-081-1170
NSN 5930-01-367-1857
NSN 6650-00-349-8732