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 2925-01-252-8049
NSN 5975-01-202-7423
NSN 5950-01-590-2596
NSN 6320-01-152-8873
NSN 5930-00-079-1304
NSN 6130-01-152-2019
NSN 6685-01-411-8583
NSN 6620-01-426-2220
NSN 5996-00-927-9922
NSN 6685-01-357-9912
NSN 6645-01-370-4259
NSN 5945-00-553-5831