SCREW (P/N 4-40unc) - New Surplus
P/N: 4-40unc
Category: Screws
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 5 Available |
Product Description
The 4-40UNC is a steel machine screw conforming to ASME B1.1 Unified National Coarse thread specifications. This fastener secures D-sub connector backshells and jack-screws in avionics panel installations. The 4-40 thread pitch provides reliable clamping force for small-diameter fastener joints in electronics hardware applications.
Installation requires verification of screw length, head style, and thread class against the aircraft's Illustrated Parts Catalog and connector specification documentation.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the SCREW (P/N 4-40unc)?
The 4-40UNC is a steel machine screw conforming to ASME B1. 1 Unified National Coarse thread specifications.
What conditions is the 4-40unc available in?
The 4-40unc is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the 4-40unc?
The 4-40unc requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the 4-40unc?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
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