| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| MATERIAL | STEEL COMP 303 OR |
| STEEL COMP 303SE OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND |
| 45.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | SLOT |
| POINT STYLE | FLAT |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 88044 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN565AC624-8 |