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 5985-01-034-2279
NSN 6320-00-174-1362
NSN 5965-01-024-6137
NSN 6650-01-177-4398
NSN 6110-00-556-0080
NSN 5950-01-442-4515
NSN 6620-01-426-2220
NSN 6150-00-642-1658
NSN 5945-00-496-3627
NSN 6620-00-684-6771
NSN 2925-01-380-0869
NSN 5920-00-902-6827