Underwater life support iaw navsea instruction 10560.2b
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 6130-00-908-9852
NSN 2925-01-251-2989
NSN 6610-01-388-8664
NSN 5965-01-270-1039
NSN 5930-01-558-9491
NSN 5985-00-431-9975
NSN 6240-01-327-7269
NSN 5915-00-903-8342
NSN 6320-01-592-6248
NSN 5999-01-359-4934
NSN 5975-01-324-7942
NSN 5960-00-266-6741