| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.039 INCHES NOMINAL |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4340 AND |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6415 ASSN STD 1ST MATERIAL RESPONSE AND |
| MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 2170 POUNDS PER SQUARE INCH |
| HEAD STYLE | ROUND EXTENDED WASHER |
| HEAD DIAMETER | 0.375 INCHES NOMINAL |
| HEAD HEIGHT | 0.89 INCHES MINIMUM AND |
| 0.99 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.025 INCHES MINIMUM AND |
| 0.030 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CRUCIFORM RIBBED |
| GRIP LENGTH | 0.735 INCHES MINIMUM AND |
| 0.765 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND |
| 0.1895 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SPECIFICATION/STANDARD DATA | 97499-120-225 MANUFACTURERS STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, WASHER HEAD, CLOSE TOLERANCE, LONG THREAD, 95 KSI FSU |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 97499 |
| MFR SOURCE CONTROLLING REFERENCE | 120-225-3R19 |