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 6645-01-496-7144
NSN 5930-00-705-2884
NSN 6650-00-190-5158
NSN 5999-01-481-0553
NSN 6620-00-417-6285
NSN 5920-01-530-2761
NSN 5998-00-298-2003
NSN 5895-01-165-9396
NSN 6240-01-512-8129
NSN 6320-01-470-6826
NSN 6240-01-656-4920
NSN 6685-01-606-6754