| HEAD STYLE | FLAT FILLISTER |
| HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE |
| HOLE DIAMETER | 0.375 INCHES NOMINAL |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | THUMBSCREW - ASSEMBLY, LOWER |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SHOULDER DIAMETER | 0.375 INCHES NOMINAL ALL SHOULDERS |
| SHOULDER LENGTH | 0.283 INCHES NOMINAL ALL SHOULDERS |
| SHOULDER SHAPE | ROUND ALL SHOULDERS |
| SPECIAL FEATURES | HEAT TREAT CONDITION H1100 PER AMS 2759/3 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700 TYPE 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.440 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |
| FASTENER LENGTH | 1.363 INCHES NOMINAL |
| HEAD HEIGHT | 0.188 INCHES NOMINAL |
| HEAD DIAMETER | 1.0 INCHES NOMINAL |