Janco · Electronic Components
4M90F-1-A5-4CD
Switch, Rotary
Part Number4M90F-1-A5-4CD
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-114-2371 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Switching ActionMAKES BEFORE BREAKS SECOND SECTION REAR
Mounting MethodTHREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY
Individual Section Quantity5
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Overall Length2.996 INCHES NOMINAL
Hazardous Locations EnvironmentalEXPLOSION PROOF
Nonturn Device TypeSLOTTED BUSHING AT 3:00 OCLOCK
Vendor Part Numbers407-4775343 ITEM 9
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 4M90F-1-A5-4CD available?
We can source 4M90F-1-A5-4CD 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 4M90F-1-A5-4CD by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4M90F-1-A5-4CD 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 4M90F-1-A5-4CD?
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 4M90F-1-A5-4CD?
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.