MIL-SPEC · Electronic Components
D38999/42WH21AA
Connector Body, Receptacle, Electr
Part NumberD38999/42WH21AA
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-389-6126 (NSN)
Federal Item NameCONNECTOR BODY,RECEPTACLE,ELECTR
Federal Supply Class5935 — Connectors, Electrical
Shell Surface TreatmentCADMIUM
Insert Position In Deg0.0 AND 50.0 AND 160.0 AND 190.0 AND 225.0
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Test Data Document81349-D38999/42WH21AA SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYP
Connector Locking MethodBAYONET PIN
Contact Position Arrangement Style23-21 SINGLE MATING END
Shell TypeSOLID
Shell MaterialALUMINUM ALLOY
Insert MaterialPLASTIC EPOXY SINGLE MATING END
Overall Length34.1 MILLIMETERS NOMINAL
Mating End Quantity1
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 D38999/42WH21AA available?
We can source D38999/42WH21AA 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 D38999/42WH21AA by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D38999/42WH21AA 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 D38999/42WH21AA?
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 D38999/42WH21AA?
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.