Hardened steel base; 5 in. L x 1 in. W x 1-1/4 in. H
A sensitive instrument used to establish accurately the horizontal plane. It consists of a vial(s) in an enclosure which may or may not have mounting holes. It is mounted in or on a flat plate base. The vial may be graduated or plain.
Classification: Drawing, marking-out or mathematical calculating instruments, nesoi
NSN 6150-01-627-6872
NSN 5960-01-471-8201
NSN 5985-01-318-3192
NSN 6620-01-516-6282
NSN 6620-00-527-6523
NSN 6105-00-916-3286
NSN 6650-00-266-6808
NSN 5975-00-293-3995
NSN 5950-00-477-5562
NSN 2925-01-253-6006
NSN 5835-01-281-7281
NSN 5985-00-989-8674