Amphenol · Electronic Components
MS3456W18-4PX
CONN PLUG 4POS STRAIGHT W/PINS
Part NumberMS3456W18-4PX
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-259-4807 (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
Precious MaterialGOLD
Precious Material LocationCONTACT SURFACES GOLD
Nominal Thread Size1.062 INCHES AND 1.125 INCHES
Contact Arrangement18-4 SINGLE MATING END
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material And Weight0.004 GOLD GRAINS, TROY
Federal Supply Class5935 — Connectors, Electrical
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Dc Voltage Rating1250.0 SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface Treatment Document AQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES
Test Data Document81349-MIL-C-5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Insert MaterialRUBBER SILICONE CLASS Q SINGLE MATING END
Shell TypeSOLID
Nominal Thread Length0.290 INCHES AND 0.664 INCHES
Vendor Part Numbers810VI1018
Cancelled NSN5935-00-306-0325 (cancelled)
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 MS3456W18-4PX available?
We can source MS3456W18-4PX 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 MS3456W18-4PX by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3456W18-4PX 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 MS3456W18-4PX?
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 MS3456W18-4PX?
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.