SAE International · Electronic Components
MS3409DJ28B21SY
Connector, Plug, Electrical
Part NumberMS3409DJ28B21SY
ManufacturerSAE International
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-210-3923 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Distance From Centerline To Cable3.812 INCHES MAXIMUM
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Contact Position Arrangement Style28-21 SINGLE MATING END
Included Contact Quantity37 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch18
Contact Maximum Current Rating In22.0 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNS
Nominal Thread Size1.750 INCHES
Connector Cable Strain Relief MethCABLE CLAMP
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Distance From Centerline To Connec6.375 INCHES 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 MS3409DJ28B21SY available?
We can source MS3409DJ28B21SY 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 MS3409DJ28B21SY by SAE International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3409DJ28B21SY 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 MS3409DJ28B21SY?
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 MS3409DJ28B21SY?
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.