| FASTENER LENGTH | 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM |
| HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| POINT LENGTH | 0.125 INCHES MINIMUM AND 0.155 INCHES MAXIMUM |
| POINT STYLE | DOG |
| POINT DIAMETER | 0.121 INCHES MINIMUM AND 0.123 INCHES MAXIMUM |
| SUPPLEMENTARY FEATURES | ALTERED FROM MS51957-45 NSN 5305-054-6670 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE THREADS |
| SURFACE TREATMENT | PASSIVATE HEAD |
| SURFACE TREATMENT | PASSIVATE THREADS |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.270 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD QUANTITY PER INCH | 32 |