Glass ball
An item consisting of two assembled parts which, by rising and descending within a gage in response to a rate of flow,indicates on a graduated scale the volume of flow.
NSN 5920-01-278-0600
NSN 5855-01-421-1440
NSN 6650-01-361-3060
NSN 6685-01-658-7078
NSN 5998-00-904-3493
NSN 5910-01-131-9849
NSN 5835-00-451-2982
NSN 4140-01-367-0791
NSN 5855-01-156-0417
NSN 5998-01-065-9207
NSN 7035-01-284-5043
NSN 6240-01-274-2154