| FASTENER LENGTH | 1.50 INCHES NOMINAL |
| HEAD DIAMETER | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
| HOLE DIAMETER | 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| HOLE QUANTITY | 6 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731(UNS S66286) NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR AMS5737(UNS S66286) NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MINIMUM TENSILE STRENGTH | 22700 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,SOCKET HEAD,UNDRILLED AND DRILLED,PLAIN AND SELF-LOCKING,ALLOY STEEL,CORROSION-RESISTANT STEEL AND HEAT-RESISTANT STEEL,UNRC-3A AND UNRC-2A |
| SPECIAL FEATURES | MATERIAL WILL BE COLD WORKED AND AGE HARDENED TO MEET FASTENER REQUIREMENTS OF FF-S-86 AND NAS1352 |
| SPECIFICATION/STANDARD DATA | 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700,METHOD 1,TYPE 2 OR 8,CLASS 1 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.50 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNRC |
| THREAD QUANTITY PER INCH | 13 |
| WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |