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 5925-01-277-1677
NSN 5920-01-401-5315
NSN 5915-01-274-1411
NSN 6105-01-529-2134
NSN 6320-00-036-3688
NSN 6610-01-502-8868
NSN 6650-01-412-1040
NSN 6620-00-922-2828
NSN 6240-01-205-0005
NSN 5895-01-385-3302
NSN 5910-00-909-0802
NSN 6150-01-437-6288