D38999/20ME26SN Amphenol 26-Position Wall-Mount Receptacle
Mfr. Part #: D38999/20ME26SN
Manufacturer: Amphenol
Series: ACT / MIL-DTL-38999 Series III
Package/Case: Shell Size 17, 26-Position Flange-Mount Receptacle
Description: 26-position MIL-DTL-38999 Series III wall-mount receptacle with female crimp contacts, composite shell, electroless nickel finish and normal key orientation.
The D38999/20ME26SN from Amphenol Aerospace is a 26-position wall-mount circular receptacle qualified to MIL-DTL-38999 Series III. It features a lightweight composite shell with an electroless nickel finish, 26 gold-plated female crimp contacts and normal key orientation. The connector is intended for fixed panel installation in aerospace, avionics, military, marine and other harsh-environment systems.
Specifications
| Parameter | Specification |
|---|---|
| Connector type | Wall-mount circular receptacle |
| Contact gender | Female sockets |
| Number of positions | 26 |
| Contact arrangement | 26 × Size 20 contacts |
| Shell size / insert arrangement | 17-26 |
| MIL shell size | E |
| Termination | Crimp |
| Mounting type | Panel mount |
| Mounting feature | Four-hole flange |
| Mating mechanism | Tri-start threaded |
| Shell material | Composite |
| Shell finish | Electroless nickel |
| Housing color | Silver |
| Contact material | Copper alloy |
| Contact finish | Gold |
| Contact finish thickness | 50µin / 1.27µm |
| Current rating | Up to 7.5A per contact |
| Key orientation | N, normal |
| Shielding | Shielded |
| Environmental protection | Environment-resistant |
| Operating temperature | −65°C to +200°C |
| Qualification | MIL-DTL-38999 Series III |
| Applications | Aerospace, aviation, marine and military |
| Part status | Active |
Features and Applications
The 17-26 insert arrangement provides 26 Size 20 contact positions in a relatively compact shell. It is suitable for multi-channel signal, sensor and control wiring.
Typical applications include:
Aircraft avionics panels
Flight-control equipment
Radar and electronic warfare systems
Unmanned aerial vehicles
Military communication equipment
Navigation and sensor interfaces
Marine and shipboard electronics
Ruggedized control enclosures
D38999/20ME26SN vs D38999/26ME26PN
| Feature | D38999/20ME26SN | D38999/26ME26PN |
|---|---|---|
| Connector type | Wall-mount receptacle | Straight cable plug |
| Contact gender | Female sockets | Male pins |
| Number of positions | 26 | 26 |
| Insert arrangement | 17-26 | 17-26 |
| Shell material | Composite | Composite |
| Shell finish | Electroless nickel | Electroless nickel |
| Key orientation | N | N |
| Relationship | Mating receptacle | Mating plug |
Standard Version vs LC Version
D38999/20ME26SN: Connector assembly with female contacts, subject to supplier configuration.
D38999/20ME26SN(LC): Receptacle housing supplied without contacts.
The LC version is useful when contacts must be ordered separately for a specific wire size or installation process.
D38999/20ME26SN FAQ
Is D38999/20ME26SN a plug or receptacle?
It is a wall-mount receptacle designed for fixed panel installation.
Does it use male or female contacts?
It uses 26 female socket contacts. The letter S identifies the socket-contact configuration.
What connector mates with D38999/20ME26SN?
D38999/26ME26PN is a corresponding straight plug with male pin contacts and normal key orientation.
Is the shell made from aluminum?
No. This model uses a lightweight composite shell with an electroless nickel finish.
What is the current rating?
The Size 20 contacts are rated up to approximately 7.5A each. Actual current capability depends on wire size, temperature, loaded-contact density and system derating.
What is the difference between /20 and /24?
The /20 version is a flange-style wall-mount receptacle. The /24 version is normally a jam-nut receptacle designed for rear panel mounting.
Availability, Price and RFQ
DataStorageIC supplies Amphenol Aerospace composite circular connectors for prototype, maintenance and production requirements. Contact us for current information on D38999/20ME26SN stock, price, lead time, date code and supporting documentation.
