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 5999-01-085-5082
NSN 5895-00-573-7771
NSN 5965-00-964-1756
NSN 5945-01-644-4659
NSN 5960-00-237-2416
NSN 6320-00-394-8458
NSN 2925-00-984-7525
NSN 6240-00-368-8541
NSN 5960-01-539-1956
NSN 7035-00-574-4223
NSN 5990-00-952-6742
NSN 4140-01-292-7222