| COUNTERSINK ANGLE | 60.0 DEGREES MINIMUM AND 64.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM |
| HEAD DIAMETER | 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.2213 TO 0.2238 INCHES |
| WIDTH ACROSS FLATS | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL AND CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.924 INCHES MINIMUM AND 2.005 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNS |