Metal ball float
An item which, by rising and descending within a gage tube in response to a rate of flow, indicates on a graduated scale the volume of flow.
NSN 5960-01-412-9474
NSN 5965-01-648-5763
NSN 5999-01-085-5082
NSN 5935-01-381-8372
NSN 6135-00-919-1117
NSN 4140-01-471-5979
NSN 5998-01-204-0390
NSN 6220-00-896-6239
NSN 5960-00-078-9500
NSN 5895-00-938-1943
NSN 4140-01-118-2215
NSN 5835-00-177-2875