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 6130-01-432-2415
NSN 5998-01-446-4893
NSN 5855-01-250-2421
NSN 6685-01-284-1602
NSN 6105-00-273-1106
NSN 5855-01-406-4821
NSN 6150-01-246-1522
NSN 5996-01-332-2758
NSN 6110-00-929-3469
NSN 6685-00-959-4089
NSN 6105-00-377-8206
NSN 5935-00-827-1149