MIL-SPEC · Electronic Components
D38999/42WH21BA
Connector Body, Receptacle, Electr
Part NumberD38999/42WH21BA
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-389-0026 (NSN)
Federal Item NameCONNECTOR BODY,RECEPTACLE,ELECTR
Federal Supply Class5935 — Connectors, Electrical
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Connector Locking MethodDETENT
Test Data Document81349-MIL-C-38999 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Insert MaterialPLASTIC EPOXY AND GLASS FIBER AND PLASTIC POLYPHENYLENE SINGLE MATING END
Shell Surface TreatmentCADMIUM AND COPPER
Shell MaterialALUMINUM ALLOY AND PLASTIC
Shell TypeSOLID
Operating Temp Rating-65.0 CELSIUS MINIMUM AND 175.0 CELSIUS MAXIMUM
Contact Position Arrangement Style23-21 SINGLE MATING END
Overall Width43.3 MILLIMETERS MINIMUM AND 43.4 MILLIMETERS MAXIMUM
Mating End Quantity15
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 D38999/42WH21BA available?
We can source D38999/42WH21BA 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 D38999/42WH21BA by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D38999/42WH21BA 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 D38999/42WH21BA?
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 D38999/42WH21BA?
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.