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 5920-01-246-5678
NSN 5855-01-529-7260
NSN 6645-00-239-5743
NSN 6645-00-979-6824
NSN 6105-00-878-6894
NSN 6135-01-180-9611
NSN 5910-01-084-2849
NSN 5855-01-288-2271
NSN 5999-01-244-8649
NSN 6650-01-562-0096
NSN 5960-00-707-3335
NSN 5950-00-269-2698