H3 thread limit
An internal threading tool with longitudinally separated cutting edges designed to form specific threads.
Classification: Tools for tapping or threading, parts thereof, of base metal
NSN 6685-00-551-6139
NSN 5930-00-010-1588
NSN 5855-01-225-5855
NSN 5990-01-037-1704
NSN 6650-00-826-7396
NSN 5999-00-891-6372
NSN 6150-01-409-1476
NSN 6220-00-679-5629
NSN 4140-00-833-1382
NSN 2925-01-437-9041
NSN 7035-01-131-1168
NSN 6645-00-243-4921