| COLOR | BLACK OVERALL |
| EXTENDED WASHER DIAMETER | 29.2 MAJOR MILS AND 30.8 MAJOR CENTIMETERS |
| EXTENDED WASHER THICKNESS | 4.3 MILLIMETERS MINIMUM AND 4.8 MILLIMETERS MAXIMUM |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 34.5 MILLIMETERS MINIMUM AND 35.5 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 7.5 MILLIMETERS MINIMUM AND 8.5 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL | STEEL PROPERTY CLASS 10.9 FASTENER |
| MATERIAL | STEEL PRIMARY WASHER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD MACHINE SCREW AND WASHER ASSEMBLY (SEMS) (SCREW ASSEMBLED WASHER) |
| PRIMARY WASHER MATERIAL THICKNESS | 4.3 MILLIMETERS MINIMUM AND 4.8 MILLIMETERS MAXIMUM |
| PRIMARY WASHER OUTSIDE DIAMETER | 29.2 MAJOR MILS AND 30.8 MAJOR CENTIMETERS |
| PRIMARY WASHER STYLE | FLAT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 10.0 MILLIMETERS |
| SPECIAL FEATURES | COATING ALSO ORGANIC (XYLAN 5230). PREVAILING TORQUE ELEMENT: APPLY FTC-360 NYLON TO THREADS. 1-2 LEAD THREADS UNCOVERED. 4-6 THREAD COVERAGE. MUST MEET THE REQUIREMENTS OF IFI 524. |
| WASHER QUANTITY | 1 |
| WIDTH ACROSS FLATS | 15.7 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM |
| WIDTH BETWEEN FLATS | 17.8 MAJOR MILS |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.5 |