MIL-SPEC · Electronic Components
M39012/56-3128
Connector, Plug, Electrical
Part NumberM39012/56-3128
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-255-5000 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Terminal LocationSIDE SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentPASSIVATE
Mating End Quantity1
Overall Height0.738 INCHES MAXIMUM
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNS
Contact Surface Treatment DocumentMIL-G-45204,TYPE 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.250 INCHES
Contact Position Arrangement StyleSMA SINGLE MATING END
Shell Surface Treatment Document AMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE
Contact Maximum Ac Voltage Rating335.0 SINGLE MATING END SINGLE CONTACT GROUPING
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 M39012/56-3128 available?
We can source M39012/56-3128 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 M39012/56-3128 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M39012/56-3128 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 M39012/56-3128?
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 M39012/56-3128?
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.