SAE International · Electronic Components
MS3400D20-4B
Connector Body, Receptacle, Electr
Part NumberMS3400D20-4B
ManufacturerSAE International
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-273-7949 (NSN)
Federal Item NameCONNECTOR BODY,RECEPTACLE,ELECTR
Federal Supply Class5935 — Connectors, Electrical
Overall Width1.500 INCHES NOMINAL
Distance Between Centerlines Of Mo1.156 INCHES NOMINAL
Thread DirectionRIGHT-HAND
Polarization MethodKEYWAY OR MULTIPLE KEYWAY AND KEY, MULTIPLE KEY GROOVE
Thread Series DesignatorUNEF
Shell TypeSOLID
Shell Surface TreatmentCADMIUM AND CHROMATE AND NICKEL
Thread Quantity Per Inch18 AND 10
Contact Position Arrangement Style20-4 SINGLE MATING END
Test Data Document81349-MIL-C-5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Mating End Quantity12
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 MS3400D20-4B available?
We can source MS3400D20-4B 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 MS3400D20-4B by SAE International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3400D20-4B 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 MS3400D20-4B?
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 MS3400D20-4B?
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.