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 6650-01-110-2142
NSN 5895-01-632-3993
NSN 6685-01-257-2864
NSN 6220-01-483-8529
NSN 2925-01-054-3190
NSN 5920-01-130-8411
NSN 5915-01-046-1769
NSN 5915-01-271-8504
NSN 6685-01-263-6500
NSN 6610-00-676-1741
NSN 5965-01-099-2989
NSN 5930-01-442-5807