D38999/26ME26PN Amphenol 26-Position Series III Plug
Manufacturer: Amphenol
Series: ACT / MIL-DTL-38999 Series III
Package/Case: Shell Size 17, 26-Position Free-Hanging Circular Plug
Description: 26-position MIL-DTL-38999 Series III straight plug with male crimp contacts, composite shell, electroless nickel finish and normal key orientation.
The D38999/26ME26PN from Amphenol Aerospace is a 26-position straight circular plug qualified to MIL-DTL-38999 Series III. It combines a lightweight composite shell, electroless nickel finish, 26 male crimp contacts and normal key orientation. The connector is designed for aerospace, avionics, military, marine and other harsh-environment systems where reduced weight, EMI shielding and secure threaded coupling are important.
Specifications
| Parameter | Specification |
|---|---|
| Connector type | Straight circular plug |
| Contact gender | Male pins |
| Number of positions | 26 |
| Contact arrangement | 26 × Size 20 contacts |
| Shell size / insert arrangement | 17-26 |
| MIL shell size | E |
| Termination | Crimp |
| Mounting type | Free-hanging / cable mount |
| Coupling 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 |
| Typical 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 connector uses a tri-start threaded coupling mechanism for fast mating and secure retention under shock and vibration. Its 17-26 insert arrangement provides 26 Size 20 contacts for routing signal, control and low-current power circuits.
Typical applications include:
Aircraft avionics and flight controls
Unmanned aerial vehicles
Radar and electronic warfare systems
Military communication equipment
Navigation and sensor systems
Marine and shipboard electronics
Ruggedized data-acquisition equipment
Mobile and vehicle-mounted control systems
D38999/26ME26PN vs D38999/26FE26PN
| Feature | D38999/26ME26PN | D38999/26FE26PN |
|---|---|---|
| Shell material | Composite | Aluminum |
| Shell finish | Electroless nickel | Electroless nickel |
| Number of contacts | 26 | 26 |
| Contact gender | Male pins | Male pins |
| Insert arrangement | 17-26 | 17-26 |
| Key orientation | N | N |
| Main advantage | Lower weight and corrosion resistance | Traditional metal-shell construction |
D38999/26ME26PN vs D38999/20ME26SN
| Feature | D38999/26ME26PN | D38999/20ME26SN |
|---|---|---|
| Connector style | Straight cable plug | Wall-mount receptacle |
| Contact gender | Male pins | Female sockets |
| Mounting | Free-hanging | Panel flange |
| Shell size | 17 | 17 |
| Insert arrangement | 26 | 26 |
| Orientation | N | N |
| Relationship | Mating plug | Mating receptacle |
Standard Version vs LC Version
D38999/26ME26PN: Connector assembly with male pin contacts, depending on supplier packaging.
D38999/26ME26PN(LC): Plug housing supplied without contacts.
When purchasing the LC version, Size 20 crimp contacts and the required installation tools must normally be ordered separately.
D38999/26ME26PN FAQ
Is D38999/26ME26PN a plug or receptacle?
It is a straight, free-hanging plug designed for cable mounting.
Does it use pin or socket contacts?
It uses 26 male pin contacts. The letter P identifies the pin-contact configuration.
What connector mates with D38999/26ME26PN?
D38999/20ME26SN is a corresponding wall-mount receptacle with female socket contacts and normal key orientation.
Is the shell aluminum?
No. This model uses a lightweight composite shell with an electroless nickel finish.
Can it replace D38999/26FE26PN?
The contact layout and key orientation are equivalent, but the shell materials and mechanical properties differ. Any replacement should be approved against the application’s environmental and qualification requirements.
Are contacts included with the LC version?
No. The D38999/26ME26PN(LC) version is supplied as a connector housing without contacts.
Availability, Price and RFQ
DataStorageIC supplies Amphenol Aerospace Series III connectors for prototype, maintenance and production requirements. Contact us for current information on D38999/26ME26PN stock, price, lead time, date code and supporting documentation.
