Deutsch HD Series — Panel Nut for Shell Size 18 Receptacle
The Panel Nut for Size 18 HD Series — SKU: 114020-90 is the threaded panel-mount nut for shell size 18 Deutsch HD series circular connectors, securing the receptacle housing to the mounting panel or bulkhead in motorsport and commercial vehicle electrical system installations across Norway, Sweden, and Denmark. The panel nut clamps the receptacle flange against the panel face from the rear, locking the connector in position against the pull forces generated by cable weight, vibration, and mating/unmating cycles.
Panel Nut Function in HD Series Installations
HD series receptacles designed for panel mounting are installed through a cut-out in the mounting surface and held in place by the panel nut threaded onto the rear of the housing. Without the panel nut correctly torqued, the receptacle can pull through the panel under harness weight or be displaced by the force required to mate and unmate the plug. In race cars operated in Norway and Sweden where rough road surfaces and chassis flex are constant, a correctly installed panel nut with the matching lock washer (114021-ZZ) is the only reliable method of securing an HD18 receptacle to a panel.
Size 18 — Mid-Range HD Shell
Shell size 18 is a mid-range body in the HD series, accommodating circuit counts typically ranging from 6 to 21 circuits depending on contact size. It is a commonly specified shell size for medium-density circuit groups including ECU sub-harness splits, engine sensor clusters, and auxiliary power distribution points in motorsport builds across Scandinavia. The panel nut for size 18 is dimensionally specific — it cannot be used with size 24 or other HD shell sizes.
Technical Specifications — SKU 114020-90
- Series: Deutsch HD
- Component: Panel nut
- Shell size: 18
- Function: Secures HD18 receptacle to mounting panel from rear
- Application: Panel-mount HD size 18 receptacle installation
- Used with: Lock washer 114021-ZZ for vibration resistance
- Supplied to: Norway, Sweden, Denmark
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