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 2925-01-317-1186
NSN 5905-01-168-5865
NSN 6685-01-289-4808
NSN 5990-00-972-1404
NSN 5999-00-248-7240
NSN 5985-01-644-1314
NSN 6105-00-078-9372
NSN 6130-00-325-5811
NSN 4140-00-686-0839
NSN 5915-01-575-0196
NSN 6135-00-168-9352
NSN 5996-00-187-8072