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 5960-01-065-0273
NSN 5965-01-377-3587
NSN 5990-01-196-2953
NSN 5930-01-241-1857
NSN 5925-00-165-8694
NSN 4140-01-432-1447
NSN 5999-00-210-3890
NSN 6135-00-985-7846
NSN 6105-01-123-8887
NSN 6320-01-029-4220
NSN 6320-00-459-8973
NSN 6220-01-322-5660