| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.687 INCHES NOMINAL |
| FASTENER LENGTH | 0.781 INCHES MINIMUM AND |
| 0.817 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1050 PRIMARY WASHER |
| STEEL COMP 8740 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | CADMIUM PRIMARY WASHER |
| CADMIUM FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| HEAD STYLE | FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.390 INCHES NOMINAL |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
| WASHER QUANTITY | 1 |
| PRIMARY WASHER STYLE | SPRING TENSION |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.640 INCHES MINIMUM AND |
| 0.660 INCHES MAXIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.015 INCHES MINIMUM AND |
| 0.021 INCHES MAXIMUM |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 78189 |
| DESIGN CONTROL REFERENCE | TH8675-1032-13 |