SPRING, MLG DOOR LOCK (P/N 120-42156-001) - New
P/N: 120-42156-001
Category: Doors & Access Panels
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 | 1 Available |
Product Description
The 120-42156-001 is a steel spring for the main landing gear door lock mechanism. It provides return force and preload to the latch assembly during gear extension and retraction cycles. This spring maintains proper latch bias throughout the landing gear operation sequence, ensuring secure door closure and reliable gear cycling.
Verify compatibility with your aircraft's Illustrated Parts Catalog before installation. Install per your aircraft's maintenance manual specifications.
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 SPRING, MLG DOOR LOCK (P/N 120-42156-001)?
The 120-42156-001 is a steel spring for the main landing gear door lock mechanism. It provides return force and preload to the latch assembly during gear extension and retraction cycles.
Is the 120-42156-001 a PMA or OEM part?
The SPRING, MLG DOOR LOCK may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: New. Contact us for sourcing details.
Does the 120-42156-001 include installation hardware?
Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the SPRING, MLG DOOR LOCK. We stock related hardware and can help identify companion parts.
Can the 120-42156-001 be shipped internationally?
Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the 120-42156-001.
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