A precision measuring instrument used for exact measurements of the pitch diameter of male screw threads. It consists of a u-frame with a micrometer spindle, and fixed anvil, shaped to the form of the thread to be measured.
Classification: Micrometers and calipers
NSN 5915-01-540-4491
NSN 5960-01-539-1956
NSN 6220-01-212-2843
NSN 5985-00-905-5049
NSN 5905-00-075-6903
NSN 6145-01-547-1821
NSN 5975-01-318-2614
NSN 5990-01-293-4817
NSN 6685-00-203-4485
NSN 7035-01-082-6250
NSN 6610-01-551-0774
NSN 5985-00-732-9651