Pan Head Machine Screw - Black Oxide Coating, Length: 5/16", Thread: 4-40, Pan Head Machine Screw, Corrosion Resistant Steel, Coarse Thread
| Detail | Characteristic | 
| FASTENER LENGTH | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | 
| HEAD DIAMETER | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM | 
| HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | 
| HEAD STYLE | PAN | 
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | 
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.112 INCHES | 
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 9C STYLE | 
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,300 SERIES FED SPEC 1ST MATERIAL RESPONSE OR 66,300 SERIES FED STD 1ST MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD 2ND MATERIAL RESPONSE | 
| SCREW MATERIAL | STEEL CORROSION RESISTING OR STEEL | 
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE | 
| SCREW SURFACE TREATMENT | OXIDE | 
| THREAD CLASS | 2A | 
| THREAD LENGTH | 0.231 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD SERIES DESIGNATOR | UNC | 
| THREAD QUANTITY PER INCH | 40 | 
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                    Unit of Measure
                    
               
        
            Discount Table - MS51957-14B
- Unit
 - Discount Price / %
 - 500 - 999
 - $0.19
 - 1000 - 2499
 - $0.19
 - 2500 - 4999
 - $0.16
 - 5000 and up
 - $0.15
 
                                                                                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 4-40 | 
                                                                                Material | 
                                                                        N/A Corrosion Resistant Steel | 
                                                                                Length | 
                                                                        N/A 5/16 in | 
                                                                                Head Type | 
                                                                        N/A Pan | 
                                                                                Head Angle | 
                                                                        N/A 100 ? | 
                                                                                Thread Type | 
                                                                        N/A Coarse Thread | 
                                                                                Drive Style | 
                                                                        N/A Phillips | 
                                                                                Finish | 
                                                                        N/A Black Oxide Coating | 
                                                                                Color | 
                                                                        N/A Black | 
                                                                                Industry Standards/Certification | 
                                                                        N/A MS51957 | 
                                                                                Weight | 
                                                                        N/A 0.001 lb | 
                                                                                NSN | 
                                                                        N/A 5305-00-459-4687 | 
                                                                                NIIN | 
                                                                        N/A 00-459-4687 | 
                                                                                Part # Unpunctuated | 
                                                                        N/A MS5195714B | 
                                                                                Minimum Order Note | 
                                                                        N/A Minimum order is 100. 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. | 
 

