| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.640 INCHES MINIMUM AND |
| 0.680 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING SPRING |
| STEEL CORROSION RESISTING STAND-OFF |
| STEEL CORROSION RESISTING FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF |
| ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE SPRING |
| PASSIVATE STAND-OFF |
| PASSIVATE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 0.360 INCHES MINIMUM AND |
| 0.400 INCHES MAXIMUM |
| HEAD HEIGHT | 0.170 INCHES MINIMUM AND |
| 0.210 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL ACCOMMODATED THICKNESS | 0.084 INCHES MINIMUM AND |
| 0.094 INCHES MAXIMUM |
| SPECIAL FEATURES | RETAINER,BLACK THERMOPLASTIC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |