Deutsch Autosport AS 79-Way Inline — Pin (Male) — Blue Key (B)
The Deutsch Autosport AS 79-Way Inline Pin (Male) Connector with Blue (B) Keying Insert — SKU: AS120-35PB is a professional MIL-spec-grade motorsport connector for near-maximum-density full race car loom separable joins and primary ECU main harness interfaces in race cars and performance vehicles across Norway, Sweden, and Denmark. This pin half is the active contact side — the gold-plated pin terminals mate with the corresponding socket (socket) half, transferring all 79 circuits across the inline separable join when the connector is locked. Configured as an inline connector — in-line harness separable join — both halves are free, cable-mounted connectors within the wire run.
Deutsch Autosport AS — 79-circuit Inline Connector
The Deutsch AS series is the standard Autosport circular connector format for professional motorsport — providing the 79-circuit capacity required for this application in a robust aluminium alloy shell with push-pull positive locking, gold-plated contacts, and full MIL-spec environmental sealing for race-condition reliability. One of the highest circuit counts in the as inline range — used where the complete ecu harness, pdm wiring, and ancillary circuits must cross a single inline connector interface in a full professional race car loom build. The 79-circuit AS inline is specified for the most complex full race car loom separable joins — where virtually the entire vehicle electrical system must be separated at a single inline connector point, such as engine bay to chassis harness splits in purpose-built race cars.
Blue Key (B) — The second keying position in the deutsch as system
As the second keying position in the Deutsch AS system, the Blue B key is assigned to the second 79-way AS connector pair in a harness after Yellow A has been allocated to the first. Blue B is the second key assignment in a harness where two or more AS connectors of the same circuit count are used. Once Yellow A is assigned to the first connector pair, Blue B is assigned to the second — ensuring these two physically identical connectors cannot be cross-mated during installation or servicing of the harness. This two-key system is the most common mis-mate prevention strategy on race car harness builds where two 79-way AS inline joins are required at the same loom separation point — for example, splitting a high-circuit-count ECU and PDM loom into two parallel 79-circuit bundles.
Contact Type — Pin (Male)
This listing is for the pin half of the 79-way AS inline pair — the active contact half — the pin terminals make physical contact with the socket terminals when mated, transferring electrical signals and power across the separable join. The corresponding socket half of the same circuit count and key colour is required to complete the mated connector pair. AS contacts are ordered separately — select the correct contact part number for your wire gauge and current requirements.
Technical Specifications
- Series: Deutsch Autosport AS
- Circuits: 79-way
- Configuration: Inline
- Contact type: Pin (Male)
- Key colour: Blue (Key B)
- Shell material: Aluminium alloy
- Operating temperature: -65°C to +175°C
- Locking: Push-pull positive lock
- Typical application: Second connector in a multi-connector harness — assigned after yellow a when two same-circuit-count as connectors are present
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