100°, Flush Head Screw - Length: 0.844", Grip: 0.375", Thread: 5/16-24, Shear, Close Tolerance Screw, Alloy Steel
| Detail | Characteristic | 
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | 
| FASTENER LENGTH | 0.891 INCHES MINIMUM AND 0.936 INCHES MAXIMUM | 
| HEAD DIAMETER | 0.572 INCHES MINIMUM AND 0.638 INCHES MAXIMUM | 
| HEAD STYLE | FLAT COUNTERSUNK | 
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | 
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.312 INCHES | 
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE | 
| SCREW MATERIAL | STEEL COMP 8630 | 
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.418 INCHES MINIMUM AND 0.576 INCHES MAXIMUM | 
| THREAD SERIES DESIGNATOR | UNF | 
| THREAD QUANTITY PER INCH | 24 | 
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                    Unit of Measure
                    
               
        
            Discount Table - NAS517-5-6
- Unit
 - Discount Price / %
 - 100 - 499
 - $2.05
 - 500 - 999
 - $1.94
 - 1000 - 2499
 - $1.73
 - 2500 and up
 - $1.62
 
                                                                                Sold In | 
                                                                        N/A EA | 
                                                                                Inventory | 
                                                                        2 | 
                                                                                Estimated Ship Date | 
                                                                        Ships in 1 Business Day | 
                                                                                Inventory Note | 
                                                                        N/A Need additional stock? Call (877) 920-1876 or email | 
                                                                                Thread Size | 
                                                                        N/A 0.3125-24 | 
                                                                                Length | 
                                                                        N/A 0.906 in | 
                                                                                Grip | 
                                                                        N/A 0.375 in | 
                                                                                Head Type | 
                                                                        N/A Flat | 
                                                                                Head Angle | 
                                                                        N/A 100 º | 
                                                                                Industry Standards/Certification | 
                                                                        N/A NAS517 | 
                                                                                Weight | 
                                                                        N/A 0.02 lb | 
                                                                                NSN | 
                                                                        N/A 5305-00-206-1290 | 
                                                                                NIIN | 
                                                                        N/A 00-206-1290 | 
                                                                                Part # Unpunctuated | 
                                                                        N/A NAS51756 | 
                                                                                Minimum Order Note | 
                                                                        N/A Minimum order is 10. 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. | 
 

