One or more blades (leaves) of tempered steel, ground to and marked with their respective pitch, expressed as number of threads per inch in the english system and as millimeters or fractional parts thereof in the metric system. It is used for checking the pitch of external or internal screw threads.
Classification: Other measuring or checking instruments, appliances and machines, nesoi in chapter 90
NSN 6620-00-388-9202
NSN 7035-01-633-9537
NSN 4140-00-888-9836
NSN 2925-01-351-9748
NSN 5965-01-658-8603
NSN 5998-00-963-6814
NSN 5950-01-278-3397
NSN 6105-01-439-9968
NSN 5999-01-459-4549
NSN 5945-01-065-0887
NSN 6130-01-067-8107
NSN 5905-01-206-4640