
Castellated Nut - Thread: 1/2-20, Self-Locking Nut, Lightweight, Cadmium Plated, Dry Film Lubricant, 450°, F
| Detail | Characteristic | 
| BEARING SURFACE FINISH | 125.0 MICROINCHES | 
| CRITICALITY CODE JUSTIFICATION | FEAT | 
| NUT STYLE | SLOTTED HEXAGON | 
| OVERALL HEIGHT | 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM | 
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | 
| LUBRICATION | DRY FILM LUBRICANT | 
| MATERIAL | STEEL OVERALL | 
| NOMINAL THREAD SIZE | 0.500 INCHES | 
| SPECIAL FEATURES | FLIGHTSAFETY CRITICAL AIRCRAFT PART | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM OVERALL | 
| TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM | 
| THREAD CLASS | 3B | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD SERIES | UNJF | 
| THREAD QUANTITY PER INCH | 20 | 
| WASHER OUTSIDE DIAMETER | 0.770 INCHES MAXIMUM | 
| WASHER THICKNESS | 0.070 INCHES NOMINAL | 
| WIDTH ACROSS FLATS | 0.554 INCHES MINIMUM AND 0.566 INCHES MAXIMUM | 
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                                                                                Inventory | 
                                                                        N/A {0} | 
                                                                                Estimated Ship Date | 
                                                                        N/A {N/A} | 
                                                                                Inventory Note | 
                                                                        N/A Need additional stock? Call (877) 920-1876 or email | 
                                                                                Weight | 
                                                                        N/A 0.017 lb | 
                                                                                NSN | 
                                                                        N/A 5310-01-057-3109 | 
                                                                                NIIN | 
                                                                        N/A 01-057-3109 | 
                                                                                Part # Unpunctuated | 
                                                                        N/A MS14144L8 | 
                                                                                Minimum Order Note | 
                                                                        N/A Minimum order is 1. Must order in increments of 1. | 
                                                                                Note | 
                                                                        N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment. | 
                                                                                California Residents | 
                                                                        N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. |