| CRITICALITY CODE JUSTIFICATION | FEAT |
| FASTENER LENGTH | 1.3125 INCHES NOMINAL |
| HEAD HEIGHT | 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| INTERNAL DRIVE STYLE | HEXAGON |
| LOCKING FEATURE | SLOTTED |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAPTIVE,HEX HEAD,CRES.160 KSI |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | A286 CRES IAW AMS5731 OR 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-46,TY II,CL 2 ASSN STD SINGLE TREATMENT RESPONSE |
| SCREW MATERIAL | IRON ALLOY 660 |
| SCREW SURFACE TREATMENT | CADMIUM |
| SPECIAL FEATURES | CRITICAL FOR FORM, FIT, AND FUNCTION |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.00 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |