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MIL-W-25038/3

MIL-W-25038

MIL-W-25038/3
MIL Spec Wire

MIL-W-25038/3 Description:
M25038/3 (Thermazone IIIK) wires are designed for critical circuit applications where wires must operate in extremely harsh environments, under vibration, and with direct flame exposure. This heavy-duty, non-asbestos construction offers excellent mechanical performance and abrasion resistance, and is compatible with MIL-C-38999 connectors.

MIL-W-25038/3 Construction:

  • Conductor:
    • 12-18 AWG: 27% Nickel-Plated Copper
    • 20-22 AWG: 27% Nickel-Plated High-Strength Copper Alloy
  • Insulation:
    • Thermazone IIIK:
      • Outer: PTFE/polyimide tape fluid barrier.
      • Inner: Inorganic dielectric
    • Thermazone IIIG:
      • Outer: PTFE-coated fiberglass fluid barrier.
      • Inner: Inorganic dielectric
  • Color Code: Color coded to MIL-STD-104
  • Jacket: Fused high-performance PTFE tape.
  • Identification: Surface printed per MIL-W-25038

MIL-W-25038/3 Ratings:

  • Voltage Rating: 600V
  • Temperature Rating: -55°C to 260°C

MIL-W-25038/3 Applications:
These wires are ideal for use in such aerospace applications as engine compartments, fire detection circuits, flight-critical circuits, and fly-by-wire systems.

Part Number Conductor StrandingAWG SizeMin O.D. (in)Max O.D. (in)Max. Resistance @ 20°C OHMS/MFTApprox LBS/MFT
M25038/3-22 19/34 22 0.040 0.054 23.700 4.15
M25038/3-20 19/32 20 0.048 0.083 15.300 9.00
M25038/3-18 19/30 18 0.065 0.097 8.500 10.50
M25038/3-16 19/29 16 0.068 0.103 6.660 13.50
M25038/3-14 19/27 14 0.097 0.123 4.320 19.50
M25038/3-12 19/25 12 0.100 0.142 2.780 28.00