D38999/26MH55SN

MIL-DTL-38999 III Straight Plug — 55× #20 Socket, Shell 23

55× #20 Socket · Shell 23 (H) · Insert H-55 · Composite, Electroless Nickel (M) · Key N · IP67

Specifications

Series

MIL-DTL-38999 Series III

Shell Style

/26 — Straight Plug

Shell Size

23 (code H)

Insert Arrangement

H-55

Contacts

55× #20 Socket

Contact Size

#20

Contact Type

Socket (female)

Finish

Composite, Electroless Nickel (M)

Coupling

Tri-Start threaded, anti-decoupling ratchet

Keying

Key N (normal)

Temperature

−65 °C to +175 °C

Current Rating

7.5 A

Voltage

400 VAC / 500 VDC

Sealing

IP67 mated; 500-hour salt spray

Cross-Reference

J599/26MH55SN · Amphenol D38999/26MH55SN · TE —

Part Number Decode

D38999/26MH55SN is a MIL-DTL-38999 Series III straight plug. Field order: D38999/ spec sheet · /2x shell style (here 26, straight plug) · M class (Composite, Electroless Nickel (M)) · H shell size (23) · 55 insert arrangement (55 contacts, size #20) · S contact type (socket) · N keying. Airoadcon builds it as J599/26MH55SN with form, fit and function interchangeability.

Cross-Brand Compatibility

AiroadconAmphenolTE DeutschSouriau
J599/26MH55SND38999/26MH55SN——