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 6685-01-586-0870
NSN 5996-00-064-7228
NSN 6240-01-406-3589
NSN 6130-00-489-9835
NSN 6145-00-951-6079
NSN 6150-00-707-3950
NSN 5975-00-111-1226
NSN 5950-00-691-0759
NSN 7035-01-381-5411
NSN 6240-00-958-9831
NSN 5985-01-298-8263
NSN 5990-01-534-8609