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 6620-00-176-5722
NSN 5985-00-989-9659
NSN 5835-01-073-6133
NSN 5895-01-523-2816
NSN 5950-00-752-5178
NSN 5895-01-370-8853
NSN 6610-00-594-6372
NSN 6130-00-798-5514
NSN 5905-01-443-7941
NSN 6645-01-205-0549
NSN 5905-01-062-9084
NSN 6650-01-123-3110