Astm d2146, type i-11001; black
An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.
NSN 6145-01-215-0178
NSN 5855-00-757-5149
NSN 5910-00-299-7869
NSN 5996-00-835-5290
NSN 5998-01-464-3782
NSN 6110-00-104-8009
NSN 6650-00-420-3593
NSN 5985-01-130-0975
NSN 6645-01-334-7326
NSN 5945-01-347-4196
NSN 5985-00-436-7090
NSN 6685-00-186-9190