MIL-SPEC · Electronic Components
D38999/42WH21PD
Connector, Receptacle, Electrical
Part NumberD38999/42WH21PD
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-279-4849 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Distance From Mounting Shoulder To19.2 MILLIMETERS MINIMUM AND 20.8 MILLIMETERS MAXIMUM
Distance Between Centerlines Of Mo34.92 MILLIMETERS NOMINAL
Overall Height42.3 MILLIMETERS MINIMUM AND 43.4 MILLIMETERS MAXIMUM
Overall Width42.3 MILLIMETERS MINIMUM AND 43.4 MILLIMETERS MAXIMUM
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Unthreaded Mounting Hole Diameter3.6 MILLIMETERS MINIMUM AND 4.0 MILLIMETERS MAXIMUM
Mating End Quantity1
Center To Center Distance Between34.92 MILLIMETERS NOMINAL
Overall Length34.1 MILLIMETERS MAXIMUM
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 D38999/42WH21PD available?
We can source D38999/42WH21PD 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 D38999/42WH21PD by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D38999/42WH21PD 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 D38999/42WH21PD?
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 D38999/42WH21PD?
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.