21× #16 Socket · Shell 23 (H) · Insert H-21 · Electroless Nickel (F) · Key A · IP67
MIL-DTL-38999 Series III
Wall Mount Receptacle (20)
23 (code H)
H-21
21× #16 Socket
#16
Socket (female)
Electroless Nickel (F)
Tri-Start threaded, anti-decoupling ratchet
Key A (alternate A)
−65 °C to +175 °C
13 A per contact
IP67 mated; 500-hour salt spray
D38999/20FH21SA
| Brand | Equivalent Part Number |
|---|---|
| Airoadcon | J599/20FH21SA |
| Amphenol | D38999/20FH21SA |
| TE Deutsch | DTS20F23-21SA |
| Souriau | 8D023F21SA |
D38999/20FH21SA is a MIL-DTL-38999 Series III wall mount receptacle carrying 21× #16 socket contacts on a shell 23 body with a Electroless Nickel (F) finish. The Tri-Start threaded coupling with anti-decoupling ratchet, 500-hour salt-spray capability and −65 °C / +175 °C range make it the standard choice for aerospace, defence, rail and heavy-industrial harnesses where high-density, environmentally sealed circular connectors are required.
Need D38999/20FH21SA?
Airoadcon cross-brand equivalent — free samples, 4-week lead time on standard configurations. MIL-spec qualified, form/fit/function interchangeable.