| CRITICALITY CODE JUSTIFICATION | FEAT |
| EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| FASTENER LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HOLE DIAMETER | 0.062 INCHES NOMINAL |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| HOLE QUANTITY | 4 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 601 OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.2797 TO 0.2824 INCHES |
| SPECIAL FEATURES | THIS PART MEETS THE Y REQUIREMENTS DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| SURFACE TREATMENT | NICKEL AND CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.719 INCHES MINIMUM AND 0.802 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |