Amphenol · Electronic Components
MS3128E12-3P
CONN RCPT 3POS WALL MNT W/PINS
Part NumberMS3128E12-3P
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-018-8843 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length1.552 INCHES MAXIMUM
Overall Width1.266 INCHES MAXIMUM
Overall Height1.266 INCHES MAXIMUM
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING W/BACKSHELL
Special FeaturesFOUR 0.150 IN. DIA INTERSECTED MTG HOLES SPACED 0.938 IN. BY 0.938 IN.
Contact Arrangement12-3 SINGLE MATING END
Included Contact Quantity3 SINGLE MATING END SINGLE CONTACT GROUPING
Environmental ProtectionMOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Distance Between Centerlines Of Mo0.812 INCHES NOMINAL
Federal Supply Class5935 — Connectors, Electrical
Mating End Quantity1
Contact Maximum Ac Voltage Rating1000.0 SINGLE MATING END SINGLE CONTACT GROUPING
Polarization MethodKEY, MULTIPLE KEY GROOVE
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialALUMINUM ALLOY
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 MS3128E12-3P available?
We can source MS3128E12-3P 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 MS3128E12-3P by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3128E12-3P 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 MS3128E12-3P?
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 MS3128E12-3P?
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.