Aeronautical Standard
Screw, Machine, Flat Countersunk Head NAS4403-5
Excludes freight, hazmat, and applicable taxes.
Available Alternates & Conditions
1 OptionsTechnical Description
High-strength precision alloy steel structural machine screw manufactured to NAS4403 technical standards. Thread metrics follow a right-hand #10-32 UNJF-3A close-tolerance fit class featuring a nominal grip length of 0.312 inches and an overall length of 0.635 inches. Constructed from premium vacuum-melted alloy steel providing a minimum tensile strength rating of 160,000 to 180,000 PSI. Outfitted with a flush 100-degree reduced flat countersunk head utilizing a specialized Tri-Slot recess drive to sustain demanding torque limits without driving slippage. Finished with a yellow chromate over cadmium plating per AMS-QQ-P-416 Type II Class 2 to safeguard structural joint interfaces against environmental corrosion and galvanic stress.
Component Specifications
Logistics & Compliance
Ships globally from approved aerospace distribution centers. Items marked with EASA Form 1 or FAA 8130-3 dual release are guaranteed traceable. Subject to standard AOG dispatch times.
Available Inventory Conditions
Review specific stock levels, conditions, and available certifications for this component.
| Condition | Certifications | Stock Limit | Unit Price |
|---|---|---|---|
| NE | Trace Only | 1 EA | KES 550.00 |
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