DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.700 INCHES NOMINAL FIRST HOLE |
FASTENER LENGTH | 3.960 INCHES NOMINAL |
HEAD HEIGHT | 0.340 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5721 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 5722 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 651 OVERALL OR IRON ALLOY 660 OVERALL |
PROPRIETARY CHARACTERISTICS | PACS |
NOMINAL THREAD DIAMETER | 0.625 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.140 INCHES MINIMUM FIRST HOLE AND 0.142 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.685 INCHES MINIMUM FIRST SHOULDER AND 0.686 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER LENGTH | 3.400 INCHES MINIMUM FIRST SHOULDER AND 3.480 INCHES MAXIMUM FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.990 INCHES MINIMUM AND 1.005 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.480 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 18 |
THREAD SERIES DESIGNATOR | UNF |