90 DEGREE LONG FITTING (P/N 53b423-003) - New Surplus
P/N: 53b423-003
Category: Structural Components
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 | 2 Available |
Product Description
The 53B423-003 is a 90-degree long fitting designed for rotary-vane air pump vacuum and pressure line routing. This Sigma-Tek adapter converts a 3/8 NPT port to 5/8 hose connections, enabling efficient flow while clearing structural obstructions. Installed at pump inlet or outlet positions within the 1U128 family vacuum systems, the fitting maintains optimal line geometry and pressure integrity.
Installation follows aircraft maintenance manual and Sigma-Tek specifications for secure, leak-free operation in general aviation pneumatic systems.
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 90 DEGREE LONG FITTING (P/N 53b423-003)?
The 53B423-003 is a 90-degree long fitting designed for rotary-vane air pump vacuum and pressure line routing. This Sigma-Tek adapter converts a 3/8 NPT port to 5/8 hose connections, enabling efficient flow while clearing structural obstructions.
Is the 53b423-003 a PMA or OEM part?
The 90 DEGREE LONG FITTING 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 Surplus. Contact us for sourcing details.
Does the 53b423-003 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 90 DEGREE LONG FITTING. We stock related hardware and can help identify companion parts.
Can the 53b423-003 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 53b423-003.
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