T55-A139 - General Aviation Retainer, "O" Ring for General Aviation

T55-A139 is a FAA-PMA general aviation retainer, "o" ring manufactured by BRG Aero Parts Inc for the General Aviation. This general components part supports aircraft operation and maintenance requirements and is available with full traceability documentation including FAA 8130-3 airworthiness certification.

Part Number
T55-A139
Manufacturer
BRG Aero Parts Inc
Aircraft Model
General Aviation
Category
General Components
Condition
New
Certification
FAA-PMA
Price
Contact us for pricing
Availability
In Stock
Warranty
As per manufacturer
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About the T55-A139 for General Aviation

The General Aviation Retainer, "O" Ring (Part Number: T55-A139) is a general components used on the General Aviation. Manufactured by BRG Aero Parts Inc, this component supports aircraft operation and maintenance requirements and may be required during maintenance, repair, or scheduled overhaul cycles depending on service intervals and configuration.

Availability may vary across global suppliers and can typically be sourced in one or more of the following conditions:

  • New
  • Overhauled
  • Serviceable / As-Removed

Certification documentation such as FAA 8130-3 or EASA Form 1 may be available depending on supplier and condition.

Alternative and Cross-Reference Parts for T55-A139 on General Aviation

The following parts from other manufacturers may serve as alternatives or cross-references for the T55-A139 on the General Aviation. Verify interchangeability against the aircraft IPC and Type Certificate Data Sheet before procurement.

Part NumberDescriptionManufacturerCertification
NPFA-AIR110410-1General Aviation RingAV8 PMA, LLC.FAA-PMA
NPFA-AIR110440-1General Aviation RingAV8 PMA, LLC.FAA-PMA
NP-30948-103General Aviation Cam RingAV8 PMA, LLC.FAA-PMA
NP-8UN439-1AGeneral Aviation Steering Sleeve AssemblyAV8 PMA, LLC.FAA-PMA
NP-UM495-9General Aviation Wiper RingAV8 PMA, LLC.FAA-PMA
NP-30948-105General Aviation O-Ring SealAV8 PMA, LLC.FAA-PMA

Frequently Asked Questions about T55-A139

Is T55-A139 compatible with all General Aviation configurations?
Compatibility depends on aircraft serial number, modification status, and configuration. Verification against maintenance documentation is recommended prior to procurement.
Is T55-A139 available new or overhauled?
Depending on availability, this component may be sourced new, overhauled, or serviceable with appropriate documentation.
Do you provide certification paperwork for T55-A139?
Certification documentation such as FAA 8130-3 or EASA Form 1 may be available based on supplier inventory and condition.
How long does sourcing T55-A139 take?
RFQ responses are typically returned within 12–24 hours depending on global supplier availability.
Do you ship T55-A139 internationally?
Yes. Global shipping and export coordination may be supported depending on supplier location and compliance requirements.

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