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 6320-01-377-5701
NSN 5905-01-079-7235
NSN 7035-00-153-3826
NSN 6135-00-519-1325
NSN 5920-01-561-8644
NSN 5905-00-373-3263
NSN 5945-01-197-9838
NSN 5945-01-431-8124
NSN 6620-01-422-3522
NSN 5915-01-501-5895
NSN 6620-00-369-1916
NSN 5965-01-566-7184