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 5915-01-253-1784
NSN 6110-01-400-4207
NSN 5925-01-332-1035
NSN 6620-01-633-8443
NSN 5965-00-007-7863
NSN 4140-00-751-1694
NSN 6610-00-433-5227
NSN 6135-00-128-1633
NSN 6130-01-615-0867
NSN 6150-01-551-5607
NSN 5998-00-999-5033
NSN 6320-01-111-8008