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 6220-01-108-1113
NSN 6650-01-411-6292
NSN 6620-00-959-6614
NSN 6135-00-351-8606
NSN 5950-00-453-8557
NSN 6620-01-138-0089
NSN 5985-01-334-0100
NSN 6320-01-317-7312
NSN 5975-00-111-6781
NSN 6105-01-359-1463
NSN 5950-01-569-4060
NSN 5935-00-269-5516