| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 2.906 INCHES MINIMUM AND |
| 3.000 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | ZINC AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND |
| 37.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | SQUARE |
| HEAD HEIGHT | 0.270 INCHES MINIMUM AND |
| 0.293 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.362 INCHES MINIMUM AND |
| 0.375 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| POINT STYLE | CUP |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND |
| 4 STYLE |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY FINISH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SETSCREW |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-210 |
| MANUFACTURERS CODE | 96906 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51955-45 |