Enclosures and housings
Parametric Band Lock Adapter (MIL-DTL-38999 Backshell)
- Bounding box
- 19.1 × 19.1 × 29.2 mm
- Engine
- Precision B-rep
- Parameters
- 10
- Published
- August 24, 2026
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The prompt
Design a parametric cylindrical Band Lock Adapter (MIL-DTL-38999 Series III/IV Backshell) with the following dimensions: Overall Length: 29.21 mm. Main Body Outer Diameter (A): 19.10 mm. Inner Through Hole Diameter (B): 6.35 mm concentric along the main axis. Cable Entry Band Section: Located at the rear end with an outer diameter (G) of 13.90 mm and an inner diameter of 6.35 mm. Coupling Ring Section: Front end features a knurled spin-coupling nut with outer diameter 19.10 mm and internal connector threads. Structure: Hollow step-cylinder body with a smooth transition shoulder between the main body (19.10 mm OD) and the rear band lock section (13.90 mm OD). Material: Stainless Steel finish. 3D solid model.
Parameters
| Name | Value | Range |
|---|---|---|
| Coupling Ring Length | 8 mm | 5 – 15 |
| Main Body Length | 14 mm | 10 – 20 |
| Transition Shoulder Length | 3 mm | 1 – 6 |
| Band Lock Section Length | 4.21 mm | 2 – 8 |
| Main Body / Coupling OD | 19.1 mm | 15 – 25 |
| Inner Through Hole Dia | 6.35 mm | 3 – 12 |
| Band Lock Section OD | 13.9 mm | 10 – 18 |
| Band Groove Root Dia | 12.5 mm | 8 – 13.8 |
| Band Groove Width | 1 mm | 0.5 – 3 |
| Band Groove Distance From Rear | 1.5 mm | 0.5 – 4 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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