MIL-SPEC · Electronic Components
M28748/4-B5AL1A
Connector, Receptacle, Electrical
Part NumberM28748/4-B5AL1A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-488-6055 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Connector Locking MethodJACKSCREW-SOCKET AND JACKSCREW
Overall Width0.421 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
Polarization MethodJACKSCREW
Thread DirectionRIGHT-HAND
Thread Class2B AND 2A
Included Contact Quantity9 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement Style2 ROWS OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Overall Length1.296 INCHES MINIMUM AND 1.328 INCHES MAXIMUM
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Mating End Quantity1
Shell Surface TreatmentANODIZE
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-B5AL1A available?
We can source M28748/4-B5AL1A 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-B5AL1A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M28748/4-B5AL1A 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-B5AL1A?
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-B5AL1A?
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.