| CRITICALITY CODE JUSTIFICATION | SFTT |
| EXTERNAL THREAD TOLERANCE CLASS | 6H |
| FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL |
| HEAD DIAMETER | 8.27 MILLIMETERS MINIMUM AND 8.50 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 4.8 MILLIMETERS MINIMUM AND 5.0 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,SOCKET HEAD,METRIC |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS |
| SPECIAL FEATURES | ITEM IS DIMENSIONALLY SAME AS B1831BH050040N BUT HAS CRITICAL HAZ-MAT COMPLIANT CHARACTERISTIC OF SURFACE TREATMENT;FINISH IS AS NOTED AND WILL BE CLEAR TO LIGHT BLUE IN COLOR |
| WIDTH ACROSS FLATS | 4.0 MILLIMETERS NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TYPE III OR V,FE/ZN12 AND HEXAVALENT CHROMIUM FREE TRIVALENT POST TREATMENT PROCESS THAT MEETS OR EXCEEDS THE 96 HOUR SALT FOG REQUIREMENT IAW ASTM B117 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 40.0 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 0.8 |