| COUNTERSINK ANGLE | 99.0000 DEGREES MINIMUM AND 101.0000 DEGREES MAXIMUM |
| DOCUMENT TYPE | CIVIL STANDARD |
| FASTENER LENGTH | 1.2500 INCHES NOMINAL |
| HEAD HEIGHT | 0.0680 INCHES NOMINAL |
| HEAD DIAMETER | 0.2700 INCHES MINIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM RIBBED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE FLAT 100 DEG HEAD FULL THREAD |
| NOMINAL THREAD DIAMETER | 0.1640 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | TITANIUM ALLOY UNS R56400 |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS4006 ASSN STD SINGLE TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | ALUMINUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.5000 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32.0000 |
| THREAD SERIES DESIGNATOR | UNJC |