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 6135-01-142-6456
NSN 6620-01-128-4462
NSN 6645-01-582-9833
NSN 6110-01-343-7508
NSN 5996-01-320-8743
NSN 5945-00-071-8086
NSN 5965-01-260-7146
NSN 5905-01-137-8898
NSN 5895-01-310-0243
NSN 5998-01-193-6788
NSN 5910-01-432-8015
NSN 5920-00-081-9156