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 5935-01-169-5297
NSN 6645-01-620-0044
NSN 6150-01-393-5492
NSN 5990-01-468-1292
NSN 5960-01-271-4820
NSN 6145-01-319-7763
NSN 6240-00-539-9770
NSN 6150-00-935-5239
NSN 6150-01-487-7113
NSN 2925-01-500-4952
NSN 6130-01-503-5737
NSN 6150-01-107-1010