Amphenol · Electronic Components
MS3102R20-4SY
CONN RCPT 4POS BOX MNT W/SCKT
Part NumberMS3102R20-4SY
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-754-5481 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length1.938 INCHES MAXIMUM
Overall Width1.500 INCHES NOMINAL
Overall Height1.500 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Precious MaterialGOLD AND SILVER
Precious Material LocationCONTACT SURFACES GOLD AND CONTACT SURFACES SILVER
Nominal Thread Size1.250 INCHES
Contact Arrangement20-4 SINGLE MATING END
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Federal Supply Class5935 — Connectors, Electrical
Unthreaded Mounting Hole Diameter0.115 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
Precious Material And LocationCONTACT SURFACES GOLD AND CONTACT SURFACES SILVER
Nominal Thread Length0.625 INCHES
Test Data Document81349-MIL-C-5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Ac Voltage Rating900.0 SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialALUMINUM ALLOY
Connector Locking MethodEXTERNALLY THREADED SHELL
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 MS3102R20-4SY available?
We can source MS3102R20-4SY 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 MS3102R20-4SY by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3102R20-4SY 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 MS3102R20-4SY?
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 MS3102R20-4SY?
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.