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 6240-01-383-1576
NSN 5975-01-472-3887
NSN 5998-01-287-0090
NSN
NSN 5920-01-217-8379
NSN 5920-00-989-4428
NSN 6145-00-458-6437
NSN 5895-01-448-9587
NSN 6650-00-585-1850
NSN 5999-01-159-7935
NSN 5835-01-525-3220
NSN 6220-00-880-3181