MIL-SPEC · Electronic Components
D38999/20WJ43SE
Connector, Receptacle, Electrical
Part NumberD38999/20WJ43SE
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-449-8800 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Connector Locking MethodEXTERNALLY THREADED SHELL
Included Contact Quantity20 SINGLE MATING END FIRST CONTACT GROUPING
Shell MaterialALUMINUM ALLOY
Contact Position Arrangement Style25-43 SINGLE MATING END
Terminal LocationBACK SINGLE MATING END ALL CONTACT GROUPINGS
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Test Data Document81349-MIL-C-38999 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Overall Width46.0 MILLIMETERS NOMINAL
Terminal TypeCRIMP SINGLE MATING END ALL CONTACT GROUPINGS
Overall Length33.6 MILLIMETERS MAXIMUM
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is D38999/20WJ43SE available?
We can source D38999/20WJ43SE even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is D38999/20WJ43SE by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D38999/20WJ43SE has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like D38999/20WJ43SE?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for D38999/20WJ43SE?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.