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 6145-00-918-3187
NSN 5975-00-655-4103
NSN 5910-00-620-8379
NSN 6645-01-109-9552
NSN 4140-00-965-1266
NSN 6240-01-075-4271
NSN 6610-01-200-6861
NSN 5925-01-089-4946
NSN 5998-00-507-2071
NSN 5935-01-597-0815
NSN 6145-00-891-6779
NSN 6610-00-269-4506