An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.
NSN 5996-01-158-5197
NSN 6645-01-201-5802
NSN
NSN 5998-01-459-8036
NSN 2925-00-828-5301
NSN 5915-01-017-9290
NSN 6685-01-327-4090
NSN 6645-00-716-8049
NSN 6610-01-412-3318
NSN 6610-01-101-5909
NSN 6145-00-150-5049
NSN 5999-00-369-0925