Amphenol · Electronic Components
CS3100A40-56S
Connector, Receptacle, Electrical
Part NumberCS3100A40-56S
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-461-4201 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Contact Position Arrangement Style40-56 SINGLE MATING END
Overall Width2.750 INCHES NOMINAL
Polarization MethodKEY, MULTIPLE KEY GROOVE
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialRUBBER SINGLE MATING END
Shell TypeSOLID
Connector Locking MethodEXTERNALLY THREADED SHELL
Contact Maximum Ac Voltage Rating500.0 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Class2A
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Vendor Part Numbers11081891-2
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 CS3100A40-56S available?
We can source CS3100A40-56S 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 CS3100A40-56S by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CS3100A40-56S 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 CS3100A40-56S?
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 CS3100A40-56S?
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.