| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| LEAD THREAD QUANTITY | ONE |
| THREAD LENGTH | 0.297 INCHES MINIMUM AND |
| 0.327 INCHES MAXIMUM |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING SLEEVE |
| STEEL CORROSION RESISTING SPRING |
| IRON ALLOY 660 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | 300 SERIES PER AMS 5640,ASTM-A-584 OR ASTM-A-582 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| 300 SERIES PER QQ-W-423 OR ASTM-A-313 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| AMS 5731 OR 5737 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | OXIDE SLEEVE |
| PASSIVATE SPRING |
| OXIDE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| AMS-QQ-P-35 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE SPRING |
| MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| COLOR | BLACK SLEEVE |
| BLACK FASTENER |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.285 INCHES MINIMUM AND |
| 0.315 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CAPTIVE SCREW,NUT RETAINER TYPE,ALL SIZES |