| EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM |
| FASTENER LENGTH | 0.713 INCHES MINIMUM AND 0.733 INCHES MAXIMUM |
| HEAD HEIGHT | 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| HOLE QUANTITY | 4 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5754 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.2707 TO 0.2739 INCHES |
| SHOULDER DIAMETER | 0.3150 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.508 INCHES MINIMUM AND 0.538 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNS |