| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| HEAD DIAMETER | 0.282 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| MINIMUM TENSILE STRENGTH | 1740 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,100 DEG,FLAT HEAD,FULL THREADED,ALLOY STEEL |
| NOMINAL THREAD DIAMETER | 0.1640 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS-S-6758 ASSN STD 1ST MATERIAL RESPONSE OR AMS6415 OR AMS6484 ASSN STD 2ND MATERIAL RESPONSE OR AMS6322,AMS6325,OR AMS6327 ASSN STD 3RD MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 8740 |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM OR CHROMATE |
| SPECIFICATION/STANDARD DATA | 80205-NAS514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNJC |