FITTING (P/N 311-4d) - New Surplus
P/N: 311-4d
Category: Structural Components
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Flat-rate shipping covers most parts. If your order turns out to need freight or special handling, we'll contact you with the updated shipping cost before it ships. You can pay the difference or cancel for a full refund. International buyers pay any duties and import taxes.
Available Inventory
| Condition | Price | Stock |
|---|---|---|
| New Surplus | $15.00 | 5 Available |
Product Description
The 311-4d is a Stratoflex 311 straight flared field-attachable fitting designed for -4 size (193) low-pressure hose. It features a 37° AN swivel per MS27404 and interfaces with MS33656/AS4395 type flared connectors. This fitting terminates Stratoflex 193 lines in aircraft instrument air and vacuum circuits.
Assembly follows Stratoflex AFP501/AFAD 193 procedures with torque specifications per the aircraft maintenance manual. Brass construction provides corrosion resistance in low-pressure pneumatic and vacuum system applications.
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 FITTING (P/N 311-4d)?
The 311-4d is a Stratoflex 311 straight flared field-attachable fitting designed for -4 size (193) low-pressure hose. It features a 37° AN swivel per MS27404 and interfaces with MS33656/AS4395 type flared connectors.
Is the 311-4d a PMA or OEM part?
The 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 311-4d 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 FITTING. We stock related hardware and can help identify companion parts.
Can the 311-4d 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 311-4d.
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