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 2925-01-552-4313
NSN 5935-01-360-8190
NSN 5996-01-488-4976
NSN 6610-01-473-5678
NSN 5998-00-931-1156
NSN 6145-01-210-6543
NSN 5998-01-157-1975
NSN 5960-01-531-9108
NSN 6110-00-971-2035
NSN 6645-01-113-2525
NSN 6610-00-038-8148
NSN 5925-01-448-9590