SAE International · Electronic Components
MS3404D28-21DX
Connector, Receptacle, Electrical
Part NumberMS3404D28-21DX
ManufacturerSAE International
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-040-8040 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Distance From Mounting Shoulder To0.966 INCHES NOMINAL
Nominal Thread Size1.750 INCHES
Precious MaterialGOLD
Thread Quantity Per Inch18
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material And LocationCONTACT SURFACES GOLD
Insert Position In Deg110.0
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentCADMIUM
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 MS3404D28-21DX available?
We can source MS3404D28-21DX 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 MS3404D28-21DX by SAE International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3404D28-21DX 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 MS3404D28-21DX?
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 MS3404D28-21DX?
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.