MOUNTING BARRIER (P/N 2b4) - New Surplus

The 2B4 is a mounting barrier for aircraft lighting assemblies that isolates and supports lamp housings within fixture frameworks. This component maintains clearance between lighting components and aircraft structure, preventing chafing and electrical contact risks. Typically fabricated from phenolic or composite material, the barrier provides electrical insulation while supporting component positioning.

Installation follows applicable aircraft maintenance manuals and FAA AC 43.13-1B acceptable practices. Associated with NSN 6210-00-885-5129 for inventory tracking in MRO environments.

What is the MOUNTING BARRIER (P/N 2b4)?

The 2B4 is a mounting barrier for aircraft lighting assemblies that isolates and supports lamp housings within fixture frameworks. This component maintains clearance between lighting components and aircraft structure, preventing chafing and electrical contact risks.

Is the 2b4 a PMA or OEM part?

The MOUNTING BARRIER 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 2b4 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 MOUNTING BARRIER. We stock related hardware and can help identify companion parts.

Can the 2b4 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 2b4.