Description
D38999/26ZG11SN-Circular MIL Spec Connector TV 16C 16#16 SKT PLUG ZNI — BOLTON SKU 69789.
About the D38999/26ZG11SN MIL-Spec Circular Plug
The D38999/26ZG11SN circular connector is built to MIL-DTL-38999 Series III, the threaded-coupling standard used for environment-resisting circular interconnect on aerospace and defence platforms. Reading the designation from the left: D38999/26 identifies the straight plug shell style, in which the cable leaves the connector along its axis; the class letter Z denotes a zinc-nickel plated shell, matching the ZNI finish called out in the product name; G is the shell size 21 code; 11 is the insert arrangement; S indicates crimp socket contacts; and N is the normal, unrotated master key position, with positions A to E reserved for alternate keying so that connectors of the same shell size and arrangement cannot be cross-mated. Series III shells use a self-locking triple-start thread with an anti-decoupling ratchet, so a mated pair resists loosening under vibration, and shells to this standard are qualified for a minimum of 500 mating cycles.
Key specifications
| Standard | MIL-DTL-38999 Series III |
|---|---|
| Shell style | Straight plug (D38999/26) |
| Shell size | 21 (size code G) |
| Insert arrangement | 11 |
| Contact type | Crimp socket |
| Key position | Normal (N) |
| Shell finish | Class Z, zinc-nickel |
| Coupling | Threaded, triple-start, self-locking with anti-decoupling ratchet |
| Minimum mating cycles | 500 |
Typical applications
Series III straight plugs in this shell size terminate cable assemblies running to line-replaceable units, junction boxes and sensor housings on airborne, ground-vehicle and shelter-mounted equipment, where the harness needs to leave the connector in line rather than at an angle. Socket contacts place the recessed contact set on the cable half of the assembly, which is the common arrangement where the plug is the half disconnected during maintenance. Zinc-nickel plating is specified where a cadmium-free shell finish is required for environmental compliance.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).
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