MIL-SPEC · Electronic Components
D38999/20WJ4SN
Connector, Receptacle, Electrical
Part NumberD38999/20WJ4SN
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-207-6491 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Distance From Mounting Shoulder To20.1 MILLIMETERS MAXIMUM
Distance Between Centerlines Of Mo34.93 MILLIMETERS MINIMUM AND 38.10 MILLIMETERS MAXIMUM
Mating End Quantity1
Threaded Device TypeBACK SHELL AND COUPLING FACILITY
Center To Center Distance Between34.93 MILLIMETERS MINIMUM AND 38.10 MILLIMETERS MAXIMUM
Environmental ProtectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF
Insert MaterialPLASTIC EPOXY SINGLE MATING END
Contact Surface Treatment DocumentMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END ALL CONTACT GROUPINGS
Overall Height46.0 MILLIMETERS NOMINAL
Thread Pitch In Millimeters1.00
Cancelled NSN5935-01-486-5672 (cancelled)
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 D38999/20WJ4SN available?
We can source D38999/20WJ4SN 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 D38999/20WJ4SN by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D38999/20WJ4SN 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 D38999/20WJ4SN?
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 D38999/20WJ4SN?
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.