MIL-STD-274B (NOTICE 1), MILITARY STANDARD, GAGE, PLUG, THREAD, SETTING, CLASS W, FOR LO (NOT GO), GAGES, UNIFIED STANDARD CLASSES 2A AND 3A AND AMERICAN NATIONAL STANDARD CLASS 3 EXTERNAL THREADS (28 AUG 1964)

MIL-STD-274B (NOTICE 1), MILITARY STANDARD, GAGE, PLUG, THREAD, SETTING, CLASS W, FOR LO (NOT GO), GAGES, UNIFIED STANDARD CLASSES 2A AND 3A AND AMERICAN NATIONAL STANDARD CLASS 3 EXTERNAL THREADS (28 AUG 1964).