Amphenol · Electronic Components
MS3456W18-4PW
CONN PLUG 4POS STRAIGHT W/PINS
Part NumberMS3456W18-4PW
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-129-9099 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length2.125 INCHES MAXIMUM
Overall Diameter1.250 INCHES MAXIMUM
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Special FeaturesIN ORDER TO COMPLETE THE CONNECTOR ASSEMBLY,THE USER MUST OBTAIN/PROVIDE THE BACKSHELL. STANDARD VERSIONS MAY BE ORDERED
Nominal Thread Size1.125 INCHES
Contact Arrangement18-4 SINGLE MATING END
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialSILICON SINGLE MATING END
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Federal Supply Class5935 — Connectors, Electrical
Test Data Document81349-MIL-C-5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Contact Position Arrangement Style18-4 SINGLE MATING END
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Insert Position In Deg35.0
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 MS3456W18-4PW available?
We can source MS3456W18-4PW 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 MS3456W18-4PW by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3456W18-4PW 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 MS3456W18-4PW?
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 MS3456W18-4PW?
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.