| FASTENER LENGTH | 0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| HEAD HEIGHT | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| HEAD DIAMETER | 0.270 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| MATERIAL | IRON ALLOY 660 FASTENER |
| MATERIAL | STEEL COMP 304 STAND-OFF |
| MATERIAL | STEEL COMP 302 SPRING |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SPECIAL FEATURES | SCREW HEAD IS SHOULDERED; SHANK IS UNDERCUT,0.098 IN. MAX. DIA. |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD LENGTH | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |