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 2925-00-463-1282
NSN 5855-00-231-7790
NSN 5965-01-647-3175
NSN 5960-01-217-8928
NSN 6320-01-250-0290
NSN 5930-00-131-9675
NSN 6145-01-588-7708
NSN 6320-01-440-4982
NSN 5990-01-623-0082
NSN 5855-01-516-9915
NSN 6220-01-549-6135
NSN 5985-01-301-9608