Deutsch Autosport AS020 — 39-Way Flange Pin (Male) — Red Key (N)
The Deutsch Autosport 39-Way Flange Pin (Male) Connector — Red Key (N) — SKU: AS020-39PN is a genuine MIL-spec-grade Deutsch Autosport AS series panel-mounted connector built for 39-circuit primary vehicle loom and ECU main harness separation points on complex professional race car builds in professional race cars, hillclimb, rally, and high-performance builds across Norway, Sweden, and Denmark. Configured as a flange-mount (panel/bulkhead) separable join, this connector is fixed to a chassis panel, firewall, or bulkhead surface via its integral mounting flange — delivering a clean, reliable, mechanically keyed separable interface at the harness separation point.
AS020 Shell — Series Architecture and Circuit Density
The AS020 is an extra-large circular flange-mount shell carrying circuit counts from 16 to 79 ways — designed for high-density primary loom bulkhead interfaces and full vehicle circuit consolidation points on the most complex professional race car builds. The AS020 provides MIL-spec aluminium alloy construction, gold-plated contacts, and positive push-pull locking in the largest standard flange-mount shell available in the lower half of the AS series range. The 39-circuit configuration in the AS020 shell is suited to 39-circuit primary vehicle loom and ECU main harness separation points on complex professional race car builds. Typical applications at this circuit count include full vehicle primary loom engine-to-chassis separation joins with 39 circuits, consolidated ECU main harness splits, high-density vehicle-wide circuit consolidation at a single separation point, and combined power, signal, and ground distribution joins. The 39-way flange is a very high circuit count in the AS020 shell providing close to the maximum circuit consolidation achievable in this shell size.
Pin (Male) — 39-Circuit Contact Array
This listing supplies the pin half of the 39-way AS flange connector pair — gold-plated pin contacts 39 in total — carrying each circuit across the flange-mount (panel/bulkhead) separation point. To form a complete functional connector pair, the matching Socket (Female) half of the same circuit count, shell size, and key colour must be ordered separately; both halves are required to create a mated, functional separable join. AS series contacts are ordered independently of the connector shells — select the correct contact part number for your wire gauge, current rating, and preferred termination method.
Red Key (N) — Keying Position and Mis-Mate Protection
Red N is the non-keyed (neutral) insert in the Deutsch Autosport AS system. Unlike the A, B, C, and D colour keys which enforce strict connector-to-connector mating relationships, Red N allows a 39-circuit AS flange half to mate with any counterpart of the same circuit count and shell size regardless of key colour. This makes Red N the correct choice for service tools, test harness jumpers, PDI connectors, and any application where a fixed mating relationship between two specific connector halves is deliberately not required. Red N provides connection flexibility rather than mis-mate restriction — and is selected by experienced harness builders precisely when that flexibility is needed. Red N inserts are used by Scandinavian race teams, wiring specialists, and motorsport workshops across Norway, Sweden, and Denmark for service tools, test connectors, and intentionally flexible interface points where strict directional keying is not required.
Flange Configuration — Panel and Bulkhead Mounting
The AS flange connector mounts through a panel cutout using its integral aluminium mounting flange — fixing one half of the connector pair permanently to the chassis, firewall, or bulkhead surface. The mating free half (the cable-mounted opposite half) plugs directly into the panel-mounted half, creating a secure separable interface at the bulkhead itself. This configuration is used wherever the harness must separate cleanly at a fixed chassis point — engine bay to cabin firewall, removable subframe to chassis, fuel cell bay to main loom, or any other fixed panel location where one side of the harness needs a permanent, precision-located connection point. Flange connectors are the professional standard for primary chassis separation points in full race car loom builds. Flange-mount AS connectors are the standard choice for primary chassis and bulkhead separation points on race cars and high-performance vehicles built and maintained by loom specialists and motorsport workshops across Norway, Sweden, and Denmark.
Technical Specifications — AS020-39PN
- Series: Deutsch Autosport AS
- Shell size: AS020
- Circuit count: 39-way
- Configuration: Flange (flange-mount (panel/bulkhead))
- Contact type: Pin (Male)
- Key colour: Red (Key N)
- Shell material: Aluminium alloy, MIL-spec machined
- Contact plating: Gold over nickel
- Operating temperature: −65°C to +175°C
- Locking mechanism: Push-pull positive lock collar
- Contacts: Ordered separately — not included
- Mating half required: Socket (Female), same circuit count, shell size, and key colour
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