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 6145-01-607-6165
NSN 5990-01-392-5682
NSN 5930-00-878-0345
NSN 7035-00-529-3128
NSN 5990-00-909-8213
NSN 5985-01-655-1940
NSN 5945-01-408-4272
NSN 6105-01-466-7575
NSN 5990-01-377-8991
NSN 6130-01-655-0786
NSN 5945-01-265-1617
NSN 5975-00-285-8003