P332601 - Bombardier OEM Red Nylon Identification Washer

P332601 – Bombardier OEM Red Nylon Identification Washer

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The Bombardier P332601 is a specialized, OEM-certified identification and isolation washer manufactured from high-visibility red nylon. In the complex landscape of aerospace assembly and maintenance, this component serves a dual purpose: providing a lightweight, non-conductive barrier between fasteners and airframe surfaces, and acting as a visual indicator for specific system routings, torque inspections, or specialized installation zones. Specifically engineered for the Bombardier Challenger and Global Express series, the P332601 is a critical detail part that ensures consistency and error-prevention during major airframe overhauls or line maintenance.

Fabricated from high-grade Polyamide (Nylon 6/6), the P332601 is chosen for its excellent toughness, low coefficient of friction, and chemical resistance to common aviation fluids. Unlike metallic washers, this nylon component prevents "fretting" and surface marring of delicate composite panels or painted aluminum structures. The distinct red pigment is integrated into the polymer matrix, ensuring that the identification color remains vibrant and visible even after exposure to UV radiation and thermal cycling. For the maintenance professional, the P332601 is a simple yet vital tool for ensuring that flight-critical hardware is correctly identified and isolated in accordance with the aircraft's engineering drawings.

Key Features

• High-Visibility Red Pigmentation: Provides an immediate visual cue for maintenance technicians, often used to signify specialized fasteners, ground points, or areas requiring recurring inspection.

• Non-Conductive Polyamide Construction: Offers superior electrical insulation properties, making it ideal for isolating secondary structures or preventing galvanic pathways.

• Surface Protection: The compliant nature of nylon allows the washer to distribute clamping loads without scratching or gouging expensive airframe coatings or composite laminates.

• Chemical and Fluid Resistance: Resistant to a wide array of aerospace contaminants, including lubricating oils, cleaning solvents, and hydraulic fluid traces.

• Lightweight Design: Contributes to the overall weight-reduction goals of modern turbine aircraft where metallic hardware is not strictly required for load-bearing.

Technical Specifications

• Part Number: P332601

• Manufacturer: Bombardier Aerospace OEM

• Component Type: Identification / Isolation Washer

• Material: Nylon 6/6 (Polyamide)

• Color: Red (FED-STD-595 Color Code equivalent)

• Inside Diameter (ID): Specifically gauged for standard aerospace fastener shanks (Refer to Bombardier P-standard drawing for exact dimensions).

• Outer Diameter (OD): Precision-matched to Bombardier structural rebates.

• Operating Temperature: -40°C to +121°C (-40°F to +250°F)

• Governing Specifications: Bombardier BAMS (Bombardier Aerospace Material Specification)

• Certification: OEM Original Equipment

Aircraft Compatibility

• Bombardier Challenger 300 / 350

• Bombardier Challenger 600 / 601 / 604 / 605

• Bombardier Global Express / 5000 / 6000

• Bombardier CRJ Series (Regional Jets)

• Note: While frequently used in these models, the P332601 application is defined by the specific system installation. Always consult the Illustrated Parts Catalog (IPC) to verify the correct quantity and location.

Applications

• System Identification: Marking specific fluid lines or electrical conduit mounting points for rapid identification.

• Vibration Damping: Providing a soft interface between fasteners and light-gauge panels to reduce "chatter."

• Composite Fastening: Protecting the resin matrix of carbon fiber or fiberglass panels from the compressive "dig-in" of metallic bolt heads.

Why Choose P332601?

In a professional maintenance environment, utilizing generic nylon washers in place of the Bombardier P332601 introduces significant risk. OEM nylon components are tested for Hygral Expansion (moisture absorption) and Compressive Creep to ensure they do not thin out over time, which would lead to a loss of fastener preload. The P332601 is manufactured to the exact durometer and thermal stability required by Bombardier engineering. By choosing the genuine P332601, you ensure the aircraft remains in its certified configuration, preventing potential hardware loosening and maintaining the professional standard required for Part 135 and Part 91 operations.

The P332601 is engineered using the principles of Polymer Semicrystallinity. Nylon 6/6 is a semicrystalline thermoplastic that exhibits a high Modulus of Elasticity relative to other polymers, which is essential for maintaining a stable bearing surface under torque. From a materials science perspective, the washer acts as a Dielectric Isolator with a high volume resistivity, preventing the formation of a Galvanic Cell in moisture-prone areas where dissimilar metals are joined.

Because nylon is hygroscopic, the P332601 is processed to achieve a specific moisture-content equilibrium, ensuring that its dimensional stability remains within the tolerance envelope defined by Bombardier BAMS specifications. The red pigmentation is achieved through high-stability organic dyes that are non-migratory, ensuring the color does not bleed into the airframe structure or adjacent sealants. This combination of mechanical toughness and chemical inertness makes the P332601 an ideal solution for load-spreading on composite substrates where the Anisotropic nature of the carbon fiber makes it vulnerable to localized crushing from traditional metallic washers.

Note: The P332601 is a non-structural identification and isolation component. It must not be used in high-heat zones (e.g., engine exhaust areas) where temperatures exceed 121°C, as the nylon will undergo thermal degradation. Always ensure the washer is free of cracks or deformation before installation. Installation must be performed by a certified A&P mechanic in accordance with the Bombardier Aircraft Maintenance Manual (AMM) and standard assembly practices.

Documentation

• No public-facing OEM drawing was located for this specific part number. Refer to the Bombardier P-Standard Drawing or the specific Aircraft Illustrated Parts Catalog (IPC) for detailed dimensional and system-effectivity data.