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 6645-01-633-1852
NSN 6135-01-098-3020
NSN 5895-00-193-3760
NSN 6650-00-677-2577
NSN 5950-00-233-6800
NSN 6620-01-541-5480
NSN 5965-01-415-0872
NSN 6135-01-491-9360
NSN 6110-01-256-2541
NSN 6320-01-159-2211
NSN 6150-01-424-4384
NSN 4140-01-442-8862