MS25083-2BB6 – Textron Aviation OEM Bonding Jumper Wire Assembly
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Overview
The MS25083-2BB6 is a military-standard electrical bonding jumper, a flight-critical component engineered to create a highly conductive, low-impedance electrical path between two points on an aircraft. This specific assembly is uninsulated, featuring a flat, flexible, tinned-copper braid terminated on both ends with 45-degree bent lugs. Its primary role is to ensure electrical potential equalization for static electricity discharge, lightning protection, and fault current return. As a certified MS-standard part specified by Textron Aviation, it guarantees the performance and reliability required for the structural and electrical integrity of the airframe.
Key Features
- Low-Impedance Path: The flat, braided construction provides a large surface area, which is highly efficient at conducting high-frequency electrical energy (the "skin effect"). This makes it far superior to standard round wire for dissipating static charges and EMI.
- Tinned Copper Braid: Fabricated from finely stranded, woven copper wire and plated with tin. The tin plating provides excellent corrosion resistance and ensures a reliable, low-resistance electrical connection at the crimped terminals and the mounting points.
- 45-Degree Bent Lugs: The "-2" designation specifies that both ends are terminated with pre-installed lugs bent at a 45-degree angle. This orientation is specifically designed to facilitate installation on contoured surfaces or to provide proper clearance and strain relief for the braid.
- Vibration & Fatigue Resistance: The inherent flexibility of the braided strap allows it to withstand the constant, high-frequency vibrations of an aircraft without work-hardening or fatiguing like a solid conductor would, ensuring a durable, long-lasting connection.
- MS Certified Standard: Manufactured in strict accordance with the MS25083 specification, guaranteeing its electrical performance, material quality, and dimensional tolerances are certified for airworthy applications.
Technical Specifications
- Standard: MS25083 (Jumper, Electrical Bonding and Grounding)
- Full Part Number: MS25083-2BB6
- Part Number Decoded:
- -2: 45-Degree Bent Lug Terminals
- B: Tinned Copper Braid
- B: No Insulation
- -6: 6.0 inches Overall Length
- Braid Material: Tinned Copper
- Insulation Material: None
- Terminal Configuration: 45-Degree Bent Lug on both ends.
- Overall Length: 6.0 inches
- Certification: FAA Production Approval
Aircraft Compatibility
The MS25083-2BB6 is a universal bonding jumper used across all types of Textron Aviation aircraft (Cessna, Beechcraft) and other military and commercial platforms. Its application is determined by the aircraft's engineering drawings for electrical bonding.
- Common Applications:
- Primary Structure Bonding: Electrically connecting major airframe components like the wings, empennage, and fuselage to create a unified ground plane.
- Flight Control Bonding: Ensuring flight control surfaces (ailerons, elevators, rudder) are electrically bonded to the main structure to safely dissipate static electricity.
- Engine & Cowling Bonding: Grounding the engine, engine mount, and cowlings to the main airframe to provide a path for static discharge and starter motor return current.
- Fuel System Bonding: Connecting fuel tanks, filler necks, and plumbing to the airframe to prevent static sparks in the presence of fuel vapors.
Applications
This uninsulated jumper is essential for the electrical health and safety of the aircraft:
- Static Discharge: Provides a primary path for P-static (precipitation static) to safely dissipate, preventing it from building up and interfering with navigation and communication radios.
- Lightning Protection: Part of the aircraft's lightning protection scheme, helping to conduct the immense energy of a lightning strike safely along the airframe to be discharged.
- EMI/RFI Shielding: Creates a robust "ground plane," reducing electromagnetic and radio frequency interference between various avionics and electrical systems.
- Fault Current Return: Ensures a reliable, low-resistance path back to the electrical ground in the event of a short circuit, allowing circuit breakers to trip reliably.
Why Choose MS25083-2BB6?
A missing or corroded bonding jumper can lead to a host of dangerous and difficult-to-diagnose problems, from noisy radios to navigation errors or even lightning-induced structural damage. Using a genuine MS25083-2BB6 jumper ensures that you are installing a component with the certified conductivity and durability required by the aircraft manufacturer. The integrity of the aircraft's entire electrical protection system relies on the quality of these critical connections. For an airworthy repair, there is no substitute for certified hardware.
Order Your MS25083-2BB6 Bonding Jumpers Now
Ensure the electrical integrity and safety of your aircraft with certified MS-standard components. Visit Airparts.aero to order your MS25083-2BB6 bonding jumpers today.
The MS25083-2BB6 bonding jumper is specifically designed to address the "skin effect," an electrical phenomenon where high-frequency alternating currents (like those from radio transmissions or a lightning strike's initial pulse) tend to flow only on the outer surface or "skin" of a conductor. The flat, wide braid of the MS25083 jumper provides a significantly larger surface area than a round wire of the same cross-sectional area, creating a much lower impedance path for these high-frequency currents. This makes it exceptionally effective at its primary job: safely conducting unwanted electrical energy away from sensitive components and structures. The uninsulated "BB" design allows for easy visual inspection of the braid's condition, ensuring any corrosion or strand breakage is immediately apparent.
Textron Notes
MS25083-2BB6 REPLACED BY M83413/8-A006BB FOR ALL BEECH MODELS EXCEPT 3000 GBD/ TRAINERS AND MODEL 750,800,800XP,850XP, 900XP,1000 AND 125 SERIES HAWKERS.
Applicable Textron Aircraft
- 1900 Airliner
- 1900C Airliner
- 1900D Airliner
- Beechjet 400/400A
- Bonanza 36
- Caravan or Grand Caravan EX
- Citation CJ1 or CJ1+
- Citation CJ2 or CJ2+
- Citation CJ3 or CJ3+
- Citation CJ4
- Citation III, VI or VII
- Citation Latitude
- Citation Longitude
- Citation M2
- Citation Mustang
- Citation Sovereign or Sovereign+
- Citation V, Ultra, Encore or Encore+
- Citation X
- Citation X+
- Citation XLS, XLS+ or XLS Gen2
- King Air 100
- King Air 350 or 350C FM-1 to FM-35
- King Air 360, 350i or 350C FM-36 & on
- King Air B200, B200T, B200C or B200CT
- King Air B200GT or B200CGT
- King Air C90, C90A, C90GT or E90
- King Air C90GTi Series
- Skylane
- Stationair
Applicable Bombardier Aircraft
- Challenger 300
- Challenger 350
- Challenger 600
- Challenger 601
- Challenger 601-3A/3R
- Challenger 604
- Challenger 605
- Challenger 650
- Global 5000
- Global 5500
- Global 6000
- Global 6500
- Global 7500
- Global Express
- Global Express Extended Range
- Global Vision G5000
- Learjet 23
- Learjet 24
- Learjet 25
- Learjet 28
- Learjet 29
- Learjet 31
- Learjet 35
- Learjet 36
- Learjet 40
- Learjet 45 / 45XR
- Learjet 55
- Learjet 60 / 60XR
- Learjet 70
- Learjet 75
List not comprehensive, may be applicable on other models.
Note: This is a flight-critical electrical component. Installation must be performed by a certified A&P mechanic or avionics technician. Mounting surfaces must be stripped of all paint, primer, and corrosion to ensure a bare metal-to-metal connection under the terminal lugs. The fasteners used to secure the lugs must be torqued to the value specified in the aircraft's maintenance manual to guarantee a low-resistance connection.