MIL-STD-274B, 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 (15 MAR 1963)
MIL-STD-274B, 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 (15 MAR 1963)., This standard covers pertinent design data and Mil-Std Part Numbers for American Gage Design Standard truncated thread setting plug gages for LO (not go) gages for Unified Standard classes 2A and 3A and American National Standard class 3 external threads.