An instrument used to determine internal measurements. It consists of two straight legs hinged at one end and curved outward at the other end. A hinge tension device is provided.
Classification: Micrometers and calipers
NSN 6150-01-220-9378
NSN 5996-00-443-1663
NSN 5920-01-076-4705
NSN 5975-01-052-7054
NSN 6620-01-445-4295
NSN 5910-00-489-3409
NSN 6220-01-510-3927
NSN 5985-00-186-0732
NSN 6110-01-381-0300
NSN 4140-01-567-5044
NSN 5835-01-626-9603
NSN 5895-01-155-7355