MWS M16878/4BCE8, 4BCE1, and 4BCE3 wire assembly comprises three spools of PTFE-insulated copper conductor wire, each approximately 20 feet in length. Conforming to MIL-W-16878/4 Type E specification, this unshielded wire is engineered for high-temperature harness and internal equipment wiring. The silver-plated copper conductor with extruded PTFE insulation delivers reliable performance across demanding thermal and chemical environments.
Technical Specifications
• Specification: MIL-W-16878/4 Type E, NEMA HP3
• Conductor Material: Silver-plated copper
• Insulation Material: Extruded polytetrafluoroethylene (PTFE)
• Wire Gauge: 28 AWG
• Stranding: 19/40
• Insulation Thickness: 0.010 inches nominal wall
• Nominal Outside Diameter: 0.029 inches minimum, 0.037 inches maximum
• Temperature Rating: -65°C to 200°C
• Voltage Rating: 600 V
• Weight: Approximately 2 lbs/MFT
• Shielding: Unshielded
• Color Coding: MIL-STD-104 or MIL-STD-681 compliant
– Key Features
• Passes UL VW-1 Flame Test
• Resistant to oil, solvents, grease, fungus, and chemicals
• Excellent thermal aging resistance
• Withstands solder damage
• Compatible with gasoline vapor, liquid fuels, and oils
• Medium wall PTFE insulation for thermal stability and chemical resistance
– Typical Applications
• Harness assembly
• Internal wiring of electrical equipment
• General-purpose, unshielded wire runs in high-temperature environments
– Compatibility & Integration
Type E M16878/4 conductor variants can be integrated into shielded and jacketed cable assemblies when electromagnetic protection is required. The 28 AWG stranding with silver-plated copper construction suits precision interconnect applications where thermal cycling and chemical exposure are operational factors.














