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 5835-01-080-7784
NSN 5990-01-474-3477
NSN 6135-00-735-8530
NSN 6220-00-469-9166
NSN 5965-00-289-6280
NSN 5999-00-156-3314
NSN 6105-01-654-3555
NSN 6240-01-372-2039
NSN 6220-00-160-1298
NSN 7035-01-318-6578
NSN 5835-01-293-4122
NSN 6135-01-502-8771