Amphenol · Electronic Components
MS3459W20-4S
Circular MIL / Spec Connectors 4P MS Series MIL-DTL-5015
Part NumberMS3459W20-4S
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-169-4138 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length2.125 INCHES MAXIMUM
Overall Diameter1.713 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 Size1.188 INCHES AND 1.250 INCHES
Contact Arrangement20-4 SINGLE MATING END
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Federal Supply Class5935 — Connectors, Electrical
Thread DirectionRIGHT-HAND
Environmental ProtectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF
Shell MaterialALUMINUM ALLOY
Precious Material And Weight0.020 GOLD GRAINS, TROY
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Shell TypeSOLID
Contact Surface Treatment DocumentMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Test Data Document81343-AS50151 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA I
Shell Surface TreatmentCADMIUM
Nominal Thread Length0.290 INCHES
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 MS3459W20-4S available?
We can source MS3459W20-4S 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 MS3459W20-4S by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3459W20-4S 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 MS3459W20-4S?
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 MS3459W20-4S?
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.