M22759/32-20-14 Brown/Yellow BTF Stripe – 20 AWG Silicone MIL-SPEC Wire for Professional Harness Fabrication
The M22759/32-20-14 is a 20 AWG MIL-SPEC wire with a brown base and yellow BTF stripe, silicone insulation, and a silver-plated copper conductor. Built to the M22759/32 military specification, it provides fine-gauge performance and silicone-grade thermal resistance for professional harness fabrication in motorsport, aerospace, and high-performance vehicle wiring applications. Supplied pre-spooled.
Brown/Yellow BTF Stripe: Cross-Tone Contrast
The brown base with yellow BTF stripe (-14) introduces a bright, high-visibility stripe into the warm section of the brown-base family. Yellow is lighter and more saturated than both brown (-base) and orange (-13), giving brown/yellow a noticeably higher contrast than the closely toned warm pairings earlier in this family. This makes brown/yellow one of the more immediately identifiable variants within the brown-base group in a finished harness.
20 AWG in the Brown-Base Silicone Range
The brown-base BTF stripe family at 20 AWG in the M22759/32 silicone range provides one of the most comprehensive sets of circuit identifiers available in this specification. With nine variants in this batch, the brown-base family at 20 AWG offers a full spectrum of BTF stripe colours from black through to white. All share silicone insulation rated at -65°C to +200°C continuous.
Key Specifications
- Specification: MIL-SPEC M22759/32
- Gauge: 20 AWG
- Insulation: Silicone
- Conductor: Silver-plated copper
- Colour: Brown base with Yellow BTF stripe
- Format: Pre-spooled (PRSP)
- Temperature rating: -65°C to +200°C continuous
Applications
Used in motorsport ECU harness construction, aerospace wiring, and high-performance vehicle electrical builds at 20 AWG. Compatible with all standard motorsport connector systems and professional crimp tooling.












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