Reference number differentiating characteristics
An instrument designed to measure the rate of flow of a fluid through a pipeline, based on the exact relation which differential pressure bears to fluid velocity, and this measurement indicated on a graduated scale by a pointer directly connected to a mercury or oil sealed bell or a bellows. It may or may not have a totalizing integrator register built in. Excludes: meter, flow rate indicating; meter, fluid flow indicating, electromagnetic; and meter, fluid flow indicating, ultrasonic.
NSN 5945-01-415-0858
NSN 6220-01-143-0693
NSN 6220-00-578-6539
NSN 6620-01-576-7723
NSN 6220-00-419-0635
NSN 5855-01-244-9785
NSN 5920-01-560-4782
NSN 6130-01-221-2972
NSN 5985-01-100-4145
NSN 5950-01-246-7618
NSN 5999-00-932-3690
NSN 2925-01-649-7543