SCREW, ROUND HEAD (P/N ln9139m4x22) - Serviceable, New Surplus
P/N: ln9139m4x22
Category: Fasteners & Hardware
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 |
|---|---|
| Serviceable | 27 Available |
| New Surplus | 18 Available |
Product Description
The ln9139m4x22 is an M4 × 22 mm round head machine screw conforming to German Luftfahrt-Normen (LN) 9139 aerospace standard. This cross-recessed fastener secures panel attachments and structural components in aircraft applications. Commonly specified for Airbus Helicopters BK117 platforms and similar rotorcraft where metric fastening systems are required.
Installation follows aircraft maintenance manual torque specifications and standard aerospace fastener practices. The metric sizing and LN standard certification ensure compatibility with certified aircraft hardware requirements.
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, ROUND HEAD (P/N ln9139m4x22)?
The ln9139m4x22 is an M4 × 22 mm round head machine screw conforming to German Luftfahrt-Normen (LN) 9139 aerospace standard. This cross-recessed fastener secures panel attachments and structural components in aircraft applications.
Does the ln9139m4x22 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The SCREW, ROUND HEAD conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
What material is the ln9139m4x22 manufactured from?
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the ln9139m4x22.
Can I order the ln9139m4x22 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The SCREW, ROUND HEAD is available in: Serviceable, New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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