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 5895-01-408-6609
NSN 5945-00-583-9552
NSN 2925-01-181-3972
NSN 5950-01-387-7945
NSN 5985-01-461-7717
NSN 6620-01-256-4307
NSN 7035-01-259-7112
NSN 6130-01-412-0791
NSN 5915-01-247-8991
NSN 6685-01-192-0559
NSN 6685-01-600-1752
NSN 5855-01-234-5346