SAE International · Electronic Components
MS3400D28-21B
Connector Body, Receptacle, Electr
Part NumberMS3400D28-21B
ManufacturerSAE International
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-188-8496 (NSN)
Federal Item NameCONNECTOR BODY,RECEPTACLE,ELECTR
Federal Supply Class5935 — Connectors, Electrical
Thread Series DesignatorUNS
Polarization MethodKEYWAY OR MULTIPLE KEYWAY AND KEY, MULTIPLE KEY GROOVE
Contact Position Arrangement Style28-21 SINGLE MATING END
Mating End Quantity12
Threaded Device TypeBACK SHELL AND COUPLING FACILITY AND HUB
Connector Locking MethodINTERNALLY THREADED SHELL
Insert Position In Deg0.0 AND 95.0 AND 132.0 AND 232.0 AND 260.0
Overall Width2.000 INCHES NOMINAL
Nominal Thread Size1.750 INCHES
Nominal Thread Length0.467 INCHES AND 0.664 INCHES
Insert MaterialRUBBER SINGLE MATING END
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 MS3400D28-21B available?
We can source MS3400D28-21B 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 MS3400D28-21B by SAE International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3400D28-21B 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 MS3400D28-21B?
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 MS3400D28-21B?
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.