| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.24 INCHES MINIMUM AND |
| 0.26 INCHES MAXIMUM |
| FASTENER LENGTH | 1.00 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | STM-A581, 582-95B AND QQS-764B,CONDITION A (303 SERIES NON-MAGNETIC); AMS-5732,AMS5737 AND ASTM-A452 (A286 SERIES); AMS 5643Q, ASTM A484-03A AND AMS-2303E (17-4PH) ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-13924D-CLASS 4 FOR 300 SERIES CORROSION RESISTANCE STEEL MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| COLOR | BLACK OVERALL |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 0.303 INCHES MINIMUM AND |
| 0.312 INCHES MAXIMUM |
| HEAD HEIGHT | 0.185 INCHES MINIMUM AND |
| 0.190 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.125 INCHES MINIMUM AND |
| 0.135 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.750 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CAPTIVE SOCKET HEAD SCREWS 1960 SERIES |