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 5990-01-625-5923
NSN 2925-01-562-8051
NSN 5965-01-392-0049
NSN 5975-00-951-8272
NSN 5905-01-519-9021
NSN 5895-00-117-4257
NSN 5935-01-230-9712
NSN 5835-00-140-8646
NSN 5950-01-565-7711
NSN 6610-01-320-6628
NSN 5895-01-249-3525
NSN 5950-00-079-0749