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M28748/4-L3DF2A

Connector, Receptacle, Electrical

Part NumberM28748/4-L3DF2A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Shell TypeSOLID
Thread Quantity Per Inch32
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A AND 2B
Body StyleRECTANGULAR SHAPE
Contact Surface Treatment DocumentMIL-G-45204,TY 2,GRADE C,CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CL 2 FED SPEC 2ND TREATMENT RESPONSE SINGLE
Center To Center Distance Between3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM
Precious Material And LocationCONTACT SURFACES GOLD
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Precious MaterialGOLD
ESD/EMICode A — ESD/EMI sensitive item
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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

Frequently asked

Is M28748/4-L3DF2A available?
We can source M28748/4-L3DF2A 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-L3DF2A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M28748/4-L3DF2A 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-L3DF2A?
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-L3DF2A?
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.