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 5925-01-303-6842
NSN 5998-00-081-1454
NSN 5910-01-234-6362
NSN 5930-01-645-7347
NSN 6150-00-907-8711
NSN 6240-01-369-0295
NSN 6105-00-144-1754
NSN 6240-01-274-0395
NSN 4140-01-105-9471
NSN 5999-01-111-3389
NSN 5910-01-422-1699
NSN 6610-01-565-7344