| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.768 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.375 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 4.812 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.500 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.938 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.125 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| FASTENER LENGTH | 5.831 INCHES MINIMUM AND 5.855 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.559 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| HEAD HEIGHT | 0.457 INCHES MINIMUM AND 0.481 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | 1E60 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SECOND DIAMETER FROM HEAD | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SPECIAL FEATURES | WITH HEADER POINT 45 DEGREE BY 0.188 IN. LG |
| THIRD DIAMETER FROM HEAD | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.500 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 20 |
| WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |