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 5935-00-260-1632
NSN 5975-01-218-0451
NSN 5990-00-099-0822
NSN 5996-01-608-9099
NSN 6620-01-572-3510
NSN 4140-01-139-0141
NSN 6220-00-419-0635
NSN 5930-01-592-9149
NSN 5915-01-132-0634
NSN 5965-01-551-1900
NSN 5975-01-172-5965
NSN 6130-01-386-3858