Used with scott-air-pak 2.2 and 4.5. This item is made of gauge 200674-04 and a tubing assembly
NSN 5998-00-358-5710
NSN 6610-00-561-9381
NSN 6110-01-357-3362
NSN 5930-00-889-6535
NSN 5925-01-475-1832
NSN 4140-01-267-9874
NSN 2925-01-274-8576
NSN 6650-00-095-6490
NSN 6145-01-430-7211
NSN 6240-00-144-2983
NSN 6610-01-072-7922
NSN 5999-01-447-4892