Amphenol · Electronic Components
MS3451L18-9S
CONN RCPT 7POS CBL MNT W/SCKT
Part NumberMS3451L18-9S
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-104-8445 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Terminal TypeCRIMP SINGLE MATING END ALL CONTACT GROUPINGS
Overall Length2.125 INCHES MAXIMUM
Overall Diameter1.318 INCHES MINIMUM AND 1.380 INCHES MAXIMUM
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Precious MaterialGOLD
Precious Material LocationCONTACT SURFACES GOLD
Nominal Thread Size1.062 INCHES AND 1.125 INCHES
Contact Arrangement18-9 SINGLE MATING END
Included Contact Quantity2 SINGLE MATING END FIRST CONTACT GROUPING; 5 SINGLE MATING END SECOND CONTACT GROUPING
Environmental ProtectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF
Federal Supply Class5935 — Connectors, Electrical
Thread Class2A
Contact Maximum Ac Voltage Rating200.0 SINGLE MATING END ALL CONTACT GROUPINGS
Thread DirectionRIGHT-HAND
Shell MaterialALUMINUM ALLOY
Contact Position Arrangement Style18-9 SINGLE MATING END
Included Contact TypeROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS
Connector Locking MethodEXTERNALLY THREADED SHELL
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 MS3451L18-9S available?
We can source MS3451L18-9S 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 MS3451L18-9S by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3451L18-9S 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 MS3451L18-9S?
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 MS3451L18-9S?
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.