Two concentric circles on face 7mm and 13mm; 24 minutes per division sensitivity; three mtg holes equally spaced on 1-1/4 in. Diameter bolt circle
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 5835-01-464-7038
NSN 5960-00-918-2369
NSN 5975-01-204-3325
NSN 6110-01-144-4376
NSN 5950-01-495-3983
NSN 5985-00-521-9051
NSN 5950-01-378-8387
NSN 6620-01-493-6072
NSN 5905-01-580-2078
NSN 5895-00-953-4916
NSN 5990-01-188-7309
NSN 6150-01-332-4552