An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.
NSN 5985-00-442-6083
NSN 6610-00-580-9690
NSN 5990-01-286-0601
NSN 5999-01-245-8500
NSN 5965-01-142-8044
NSN 6610-00-184-0833
NSN 6220-00-276-8681
NSN 5950-00-988-5274
NSN 5975-00-775-6432
NSN 5945-00-889-7416
NSN 5965-01-456-6622
NSN 6150-01-167-2772