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 4140-01-422-8443
NSN 6150-00-644-0029
NSN 5895-00-546-5563
NSN 6645-00-930-9356
NSN 5950-01-360-7354
NSN 6145-01-414-8272
NSN 6135-01-098-3020
NSN 6685-00-103-0450
NSN 5945-00-115-3594
NSN 5998-00-250-0400
NSN 6685-01-042-6723
NSN 5996-01-150-2800