
Airframe Bolt - Length: 4-3/32", Grip: 3-5/16", Thread: 1/2-20, Cadmium Plated Steel, Drilled Shank
| Detail | Characteristic | 
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.922 INCHES NOMINAL FIRST HOLE | 
| FASTENER LENGTH | 4.094 INCHES NOMINAL | 
| FEATURES PROVIDED | FINISHED HEAD | 
| GRIP LENGTH | 3.312 INCHES NOMINAL | 
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL | 
| HEAD HEIGHT | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM | 
| HEAD STYLE | HEXAGON | 
| MATERIAL | STEEL OVERALL | 
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.500 INCHES | 
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE | 
| SURFACE TREATMENT | CADMIUM OVERALL | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.781 INCHES MINIMUM | 
| THREAD SERIES DESIGNATOR | UNF | 
| THREAD QUANTITY PER INCH | 20 | 
| WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | 
                                Welcome Back
                                                                
Winback Offer                        
                                                                                Inventory | 
                                                                        N/A {0} | 
                                                                                Estimated Ship Date | 
                                                                        N/A {N/A} | 
                                                                                Inventory Note | 
                                                                        N/A Need additional stock? Call (877) 920-1876 or email | 
                                                                                Thread Size | 
                                                                        N/A 1/2-20 | 
                                                                                Length | 
                                                                        N/A 4-3/32 in | 
                                                                                Grip | 
                                                                        N/A 3-5/16 in | 
                                                                                Drilling | 
                                                                        N/A Drilled Head | 
                                                                                Head Type | 
                                                                        N/A Hexagon | 
                                                                                Industry Standards/Certification | 
                                                                        N/A AN8 | 
                                                                                Weight | 
                                                                        N/A .005 lb | 
                                                                                NSN | 
                                                                        N/A 5306-00-151-0158 | 
                                                                                NIIN | 
                                                                        N/A 00-151-0158 | 
                                                                                Part # Unpunctuated | 
                                                                        N/A AN840 | 
                                                                                Minimum Order Note | 
                                                                        N/A Minimum order is 5. Must order in increments of 1. | 
                                                                                Country of Origin | 
                                                                        N/A USA | 
                                                                                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. |