MIL-SPEC · Electronic Components
M28748/4-D40L3A
Insert, Electrical Connector
Part NumberM28748/4-D40L3A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-229-0747 (NSN)
Federal Item NameINSERT,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Insert Material Document And ClassMIL-M-14,TY SDG-F MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Polarization MethodJACKSCREW
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Environmental ProtectionHUMIDITY RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT
Contact Position Arrangement Style20 20-20 SINGLE MATING END
Overall Width0.500 INCHES NOMINAL
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity20 SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length1.562 INCHES NOMINAL
Threaded Device TypeCOUPLING FACILITY
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 M28748/4-D40L3A available?
We can source M28748/4-D40L3A 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 M28748/4-D40L3A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M28748/4-D40L3A 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 M28748/4-D40L3A?
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 M28748/4-D40L3A?
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.