A precision instrument used to determine a horizontal plane in all directions on one setting. It is centrally located in relation to the periphery of the top of the item, for centering the bubble. The item may be mounted to a cylinder.
Classification: Drawing, marking-out or mathematical calculating instruments, nesoi
NSN 6135-00-274-4037
NSN 5975-01-324-8632
NSN 5915-01-150-1658
NSN 4140-01-180-2775
NSN 6135-01-633-8502
NSN 5990-01-079-3271
NSN 6220-00-018-4484
NSN 6145-01-152-2417
NSN 5990-01-574-2522
NSN 6145-01-461-2418
NSN 5905-00-122-2436
NSN 6130-01-442-0289