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 6320-00-809-5744
NSN 5996-01-528-9203
NSN 6130-01-111-9865
NSN 6105-01-449-1862
NSN 6240-01-371-0978
NSN 5975-01-325-6335
NSN 2925-00-707-6770
NSN 6150-00-775-1375
NSN 5990-00-900-4459
NSN 6105-01-478-8288
NSN 5998-01-273-1985
NSN 6320-01-290-5271