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 5920-00-466-3950
NSN 5910-00-390-9736
NSN 6645-00-922-8312
NSN 2925-00-099-4030
NSN 5835-00-939-7470
NSN 6220-01-099-3429
NSN 6645-01-425-1673
NSN 5998-01-386-4281
NSN 5999-00-755-2753
NSN 5965-01-444-0342
NSN 5985-01-256-2547
NSN 5835-01-317-4840