| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 1.635 INCHES MINIMUM AND |
| 1.675 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY 6061 HEAD |
| STEEL CORROSION RESISTING PRIMARY WASHER |
| STEEL CORROSION RESISTING SPRING |
| ALUMINUM ALLOY 6061 STAND-OFF |
| STEEL CORROSION RESISTING THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| ASTM 493 ASSN STD SINGLE MATERIAL RESPONSE THREADS |
| SURFACE TREATMENT | ANODIZE HEAD |
| OXIDE PRIMARY WASHER |
| PASSIVATE SPRING |
| ANODIZE STAND-OFF |
| OXIDE THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8525,TY II,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| MIL-C-13924, CL 2 MIL SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| MIL-A-8625,TY I, CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| MIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE THREADS |
| COLOR | BLACK HEAD |
| BLACK PRIMARY WASHER |
| BLACK THREADS |
| HEAD STYLE | FILLISTER |
| HEAD DIAMETER | 0.356 INCHES NOMINAL |
| HEAD HEIGHT | 0.385 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.094 INCHES MINIMUM AND |
| 0.155 INCHES MAXIMUM |
| FEATURES PROVIDED | WASHER |
| SPECIAL FEATURES | WASHER-2 REQUIRED |