100°, Flush Head Screw - Length: 1.031", Grip: 0.562", 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 | 1.078 INCHES MINIMUM AND 1.123 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C 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 |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| 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 - NAS517-5-9
- Unit
- Discount Price / %
- 50 - 99
- $1.48
- 100 - 499
- $1.45
- 500 - 999
- $1.39
- 1000 and up
- $1.30
Sold In |
N/A EA |
Inventory |
N/A {3} |
Estimated Ship Date |
N/A 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 1.093 in |
Grip |
N/A 0.562 in |
Head Type |
N/A Flat |
Head Angle |
N/A 100 º |
Industry Standards/Certification |
N/A NAS517 |
Weight |
N/A 0.025 lb |
NSN |
N/A 5305-00-207-3740 |
NIIN |
N/A 00-207-3740 |
Part # Unpunctuated |
N/A NAS51759 |
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. |
