Amphenol · Electronic Components
MS3456W18-4P
CONN PLUG 4POS STRAIGHT W/PINS
Part NumberMS3456W18-4P
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-111-7592 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length2.125 INCHES MAXIMUM
Overall Diameter1.344 INCHES MAXIMUM
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING W/BACKSHELL
Precious MaterialGOLD
Precious Material LocationCONTACT SURFACES GOLD
Special FeaturesIN ORDER TO COMPLETE THE CONNECTOR ASSEMBLY,THE USER MUST OBTAIN/PROVIDE THE BACKSHELL. STANDARD VERSIONS MAY BE ORDERED
Nominal Thread Size1.062 INCHES AND 1.125 INCHES
Contact Arrangement18-4 SINGLE MATING END
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Federal Supply Class5935 — Connectors, Electrical
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodINTERNALLY THREADED COUPLING RING
Insert Position In Deg0.0
Contact Surface Treatment DocumentMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialSILICON SINGLE MATING END
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Thread Series DesignatorUNEF
Shell MaterialALUMINUM ALLOY
Thread Quantity Per Inch18
Vendor Part Numbers810VI0679
Cancelled NSN5935-00-972-5474 (cancelled)
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 MS3456W18-4P available?
We can source MS3456W18-4P 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 MS3456W18-4P by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3456W18-4P 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 MS3456W18-4P?
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 MS3456W18-4P?
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.