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Cadmium plated steel, length: 0.734", grip: 0.156", thread: 5/16-24, pan head structural machine screw
National Stock Number (NSN) | 5305-00-114-1977 |
Alternate Part Number | N/A |
Federal Supply Class (FSC) | 5305 |
Unit of Measure (UOM) | 10 /Ea. |
Thread Class | 3a |
Thread Direction | Right-hand |
Thread Length | Between 0.525 inches and 0.548 inches |
Fastener Length | Between 0.719 inches and 0.766 inches |
Head Style | Pan |
Head Diameter | Between 0.594 inches and 0.615 inches |
Head Height | Between 0.203 inches and 0.218 inches |
Internal Drive Style | Cross recess type 1 |
Thread Diameter | 0.312 inches |
Thready Qty Per Inch (tpi) | 24 |
Min. Tensile Strength (psi) | 125000 pounds per square inch |
Hardness Rating | Between 26.0 rockwell c and 32.0 rockwell c |
Screw Material | Steel comp 4037 |
Screw Material Specification | Ams 6300 assn standard single material response |
Screw Surface Treatment | Cadmium and chromate |
Screw Surface Treatment Specification | Qq-p-416, ty2 cl3 federal specification single treatment response |
Thread Series Designator | Unf |
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