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 6110-01-108-9055
NSN 6135-01-338-8969
NSN 6220-01-425-3804
NSN 5915-01-201-9192
NSN 5985-01-114-4276
NSN 6150-01-365-4521
NSN 5905-01-540-6065
NSN 5996-01-469-6479
NSN 5990-00-373-9787
NSN 5990-00-232-3965
NSN 5990-00-073-1850
NSN 6105-01-557-1219