The MWS M16878/4BG9 is a 20 AWG hook-up wire supplied on a single spool with a nominal length of 624 feet. Built to MIL-W-16878/4 and NEMA HP3 Type E specifications, this wire delivers high reliability in demanding aerospace, military, and industrial environments. The 19-strand silver-plated copper conductor is jacketed with extruded PTFE insulation, ensuring exceptional thermal stability and chemical resistance across a wide operating range. Rated for 600 V, this unshielded wire withstands exposure to oils, solvents, grease, fungus, ozone, and weathering while maintaining performance from −60°C to +200°C.
Technical Specifications
• Conductor: 19-strand silver-plated copper
• Gauge: 20 AWG
• Insulation: Extruded PTFE (Type E, medium wall)
• Insulation Wall Thickness: 0.010 inches nominal
• Outside Diameter: Approximately 0.068 inches
• Voltage Rating: 600 V
• Temperature Range: −60°C to +200°C (MIL-W-16878); −65°C to +200°C (general operating range)
• Color: White
• Shielding: Unshielded
• Compliance: MIL-W-16878/4, NEMA HP3 Type E, UL 1213
• Flame Test: UL VW-1
– Key Features
• Silver-plated copper conductor resists corrosion and oxidation
• PTFE insulation provides thermal stability and chemical inertness
• Passes UL VW-1 flame test for fire safety
• Resistant to thermal aging, solder iron damage, open flames, and moisture
• Tolerates immersion in gasoline vapors, liquids, and oils
• Unshielded construction simplifies routing and reduces cost
– Typical Applications
• Military and aerospace interconnect
• High-temperature control circuits
• Oil and chemical environments
• Avionics and defense electronics
– Compatibility & Integration
This wire meets MIL-W-16878/4 procurement requirements and integrates directly into systems specifying NEMA HP3 Type E insulation. The 624-foot spool length accommodates both prototype and production runs. Single-spool format supports straightforward inventory management.
