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 6320-00-937-5625
NSN 6320-01-362-9518
NSN 5960-01-076-4708
NSN 5996-00-139-6412
NSN 5996-01-089-5339
NSN 5950-01-524-6247
NSN 5910-01-150-1826
NSN 5905-01-655-1400
NSN 5965-01-278-8218
NSN 6610-01-511-5260
NSN 5985-01-646-3573
NSN 4140-01-431-2317