OXYGEN MASK (P/N 359-1ab57) - As Removed

The 359-1ab57 is an aircraft oxygen mask for crew supplemental breathing during cabin depressurization or high-altitude flight. This mask delivers oxygen from the aircraft's oxygen system through a hose connection, maintaining pilot and crew consciousness in emergency or unpressurized conditions. Qualified to FAA TSO C103 (continuous flow) or C78/C89 (crew diluter-demand) standards.

Installation requires verification of outlet compatibility, hose connections, and oxygen system integration per the aircraft maintenance manual. Silicone or rubber face seal ensures comfortable fit and reliable oxygen delivery.

What is the OXYGEN MASK (P/N 359-1ab57)?

The 359-1ab57 is an aircraft oxygen mask for crew supplemental breathing during cabin depressurization or high-altitude flight. This mask delivers oxygen from the aircraft's oxygen system through a hose connection, maintaining pilot and crew consciousness in emergency or unpressurized conditions.

Is the 359-1ab57 a PMA or OEM part?

The OXYGEN MASK 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: As Removed. Contact us for sourcing details.

Does the 359-1ab57 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 OXYGEN MASK. We stock related hardware and can help identify companion parts.

Can the 359-1ab57 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 359-1ab57.