Janco · Electronic Components
9-1957D-1N2
Switch, Rotary
Part Number9-1957D-1N2
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-045-4337 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Switch Actuator Indexing Position2 SINGLE ACTUATOR
Detent Rotational Torque Range+0.500 TO 5.000 INCH-POUNDS SINGLE ACTUATOR
Overall Length1.970 INCHES MAXIMUM
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Hazardous Locations EnvironmentalDUSTPROOF
Throw Quantity2 SINGLE SECTION REAR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Style DesignatorMINIATURE, PIN MOUNT
Vendor Part Numbers40-40860, 3491PIECE27
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 9-1957D-1N2 available?
We can source 9-1957D-1N2 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 9-1957D-1N2 by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9-1957D-1N2 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 9-1957D-1N2?
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 9-1957D-1N2?
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.