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 5835-00-594-4921
NSN 6150-01-616-3233
NSN 5999-00-867-1263
NSN 6145-00-064-4918
NSN 6110-00-948-3204
NSN 5975-01-162-6221
NSN 5835-00-669-7074
NSN 5945-01-167-8498
NSN 6645-01-138-3855
NSN 6130-01-380-7236
NSN 5920-01-548-7960
NSN 4140-01-463-3295