Deutsch Autosport AS 29-Way Inline — Socket (Female) — Blue Key (B)
The Deutsch Autosport AS 29-Way Inline Socket (Female) Connector with Blue (B) Keying Insert — SKU: AS124-29SB is a professional MIL-spec-grade motorsport connector for medium-high-density ECU sub-harness connectors, complex PDM wiring interfaces, and multi-circuit sensor harness separable joins in race cars and performance vehicles across Norway, Sweden, and Denmark. This socket half is the receptacle side — the gold-plated socket terminals receive the incoming pin contacts from the corresponding pin (pin) half, completing all 29 circuit connections when the connector is engaged and 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 — 29-circuit Inline Connector
The Deutsch AS series is the standard Autosport circular connector format for professional motorsport — providing the 29-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. Fills the gap between the popular 23-way and larger 37/39-way configurations — providing additional circuits over the 23-way without stepping up to the larger shell size of the 37/39-way range. The 29-circuit AS inline is specified for complex ECU sub-loom joins and PDM interfaces where the 23-way circuit count is insufficient but the larger 37-way shell would be oversized for the cable bundle.
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 29-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 29-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 29-circuit bundles.
Contact Type — Socket (Female)
This listing is for the socket half of the 29-way AS inline pair — the receptacle contact half — the socket terminals receive and make contact with the incoming pin terminals when the connector is mated, completing the electrical circuit across the separable join. The corresponding pin 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: 29-way
- Configuration: Inline
- Contact type: Socket (Female)
- 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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