| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.297 INCHES MINIMUM AND |
| 0.327 INCHES MAXIMUM |
| FASTENER LENGTH | 0.547 INCHES MINIMUM AND |
| 0.577 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING SPRING |
| STEEL COMP 303SE STAND-OFF |
| IRON ALLOY 660 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OR |
| ASTM A484 ASSN STD SINGLE MATERIAL RESPONSE OR |
| ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF |
| AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE SPRING |
| OXIDE STAND-OFF |
| OXIDE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| MIL-C-13924 CL2 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| MIL-C-13924 CL2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 0.285 INCHES MINIMUM AND |
| 0.315 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |