Size (CM)：132*121*12 

Weight (KG)：41.5 

856A3276G01 is a precision hydraulic interface component for aviation maintenance tools and ground support equipment, compatible with global commercial aircraft fleets. Manufactured to AS9100D aerospace standards and FAA/EASA hydraulic specifications, it features a high‑strength corrosion‑resistant alloy body and precision‑lapped sealing surfaces for zero‑leak performance. It withstands high operating pressure, continuous vibration, thermal cycling, and exposure to Skydrol, jet fuel, and deicing fluids. With standardized port geometry and mounting dimensions, it enables drop‑in integration into service carts, test stands, and actuator circuits, enhancing fluid system integrity, operational safety, and service life for aircraft MRO ground support systems.

Brand
JUNXUN

Overview
The 856A3276G01 is a high-performance, precision-engineered Strengthening Ring and hydraulic interface assembly custom-designed for the rigorous maintenance, structural repair, and overhaul (MRO) of commercial turbofan low-pressure turbine (LPT) casings. Positioned at the critical structural juncture of the LPT case rear flange, this specialized hardware serves as a dual-purpose heavy-duty reinforcement fixture and high-pressure fluid-containment interface. Manufactured by JUNXUN to comply with strict aero-engine technical parameters and micro-tolerance indexing specifications, the 856A3276G01 provides an absolute rigid backing that redistributes bolt-tightening loads uniformly, preventing dynamic casing distortion, flange face scoring, or pneumatic pressure bypass during scheduled ground static pressure and containment diagnostics.

Key Points
Dedicated LPT Casing Profile Mating: Custom-machined to clamp seamlessly onto the standardized rear flange bolt-hole circles and indexing lips proprietary to commercial high-bypass engine architectures.

Integrated Precision Hydraulic Porting: Outfitted with heavy-duty, leak-free hydraulic coupling ports engineered to interface directly with external tensioning pumps for synchronized multi-bolt preloading.

High-Tensile Aerospace Alloy Construction: Fabricated from premium, heat-treated high-strength alloy steel certified to withstand immense mechanical shear and internal pressurization forces without geometric deflection.

Non-Marring Ground Seal Interface: Features closely toleranced, passivated mating surfaces and elastomeric backup matrices that prevent metal-on-metal scratching and eliminate pressure loss across the flange interface.

Applications
Turbine Module Disassembly & Rebuild MRO: Deployed within specialized engine repair facilities to reinforce and balance the LPT outer housing while technicians secure or release high-torque rear structural fasteners.

Hangar Engine Case Pressure Diagnostics: Utilized as a primary pressure-blanking and fluid-injection fixture during hydrostatic or pneumatic sealing audits of the aft propulsion sections.

Airlines Engine Tool Crib Fleet Logistics: Essential specialized tooling inventory for global commercial airline engineering hubs and third-party powerplant MRO facilities to ensure compliant, safe engine module overhauls.