| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.03 INCHES NOMINAL |
| FASTENER LENGTH | 1.375 INCHES NOMINAL |
| MATERIAL | STEEL COMP 601 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6304(UNS K14675) NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL OR |
| CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2416 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND |
| 46.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.422 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND |
| 0.439 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.562 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.090 INCHES MINIMUM AND |
| 0.100 INCHES MAXIMUM |
| CHAMFER ANGLE | 30.0 DEGREES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.343 INCHES MINIMUM AND |
| 0.353 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 96906-MS9211 GOVERNMENT STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,MACHINE-STEEL,DIFFUSED NICKEL-CADMIUM PLATED,DOUBLE EXTENDED WASHER HEAD,.375-24 UNJF-3A |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS9211-16 |