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 5895-01-205-3259
NSN 5975-01-422-1400
NSN 6145-00-840-6685
NSN 5855-01-406-7237
NSN 5960-01-391-4701
NSN 6645-01-187-3704
NSN 5996-01-147-7378
NSN 5895-01-561-1638
NSN 2925-01-175-1217
NSN 5990-01-242-9653
NSN 5985-01-243-1872
NSN 5905-01-323-0906