Amphenol · Electronic Components
MS3101A18-4S
CONN PLUG 4POS FREE HNG W/SCKT
Part NumberMS3101A18-4S
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-192-1480 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length2.062 INCHES MAXIMUM
Overall Diameter1.344 INCHES MAXIMUM
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING W/BACKSHELL
Precious MaterialGOLD AND SILVER
Precious Material LocationCONTACT SURFACE GOLD AND CONTACT SURFACE SILVER
Nominal Thread Size1.125 INCHES AND 1.000 INCHES
Contact Arrangement18-4 SINGLE MATING END
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionMOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Nominal Thread Length0.625 INCHES AND 0.375 INCHES
Shell TypeSOLID
Contact Surface TreatmentGOLD AND SILVER SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Contact Maximum Current Rating In22.0 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
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 MS3101A18-4S available?
We can source MS3101A18-4S 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 MS3101A18-4S by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3101A18-4S 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 MS3101A18-4S?
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 MS3101A18-4S?
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.