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 5985-01-074-3604
NSN 5999-01-438-6885
NSN 4140-00-264-5796
NSN 5855-01-365-4287
NSN 5945-01-381-2038
NSN 5985-00-647-2242
NSN 6620-00-925-8435
NSN 5855-01-125-4768
NSN 5998-00-509-5069
NSN 5975-01-193-0493
NSN 5999-01-518-2624
NSN 5935-00-471-5741