| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.281 INCHES MINIMUM |
| FASTENER LENGTH | 1.343 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR |
| AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| HEAD STYLE | BUTTON |
| HEAD DIAMETER | 0.350 INCHES NOMINAL |
| HEAD HEIGHT | 0.093 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | SLOT |
| GROOVE DIAMETER | 0.136 INCHES MINIMUM AND |
| 0.146 INCHES MAXIMUM |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.171 INCHES MINIMUM AND |
| 1.203 INCHES MAXIMUM FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND |
| 0.080 INCHES MAXIMUM FIRST HOLE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 78286 |
| DESIGN CONTROL REFERENCE | 65302-12524-103 |