Janco · Electronic Components
2531-1N3
Switch, Rotary
Part Number2531-1N3
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-405-9044 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Overall Length1.310 INCHES NOMINAL
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION FRONT
Nonturn Device TypePIN AT 9:00 OCLOCK
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Nominal Thread Size0.250 INCHES SINGLE MOUNTING FACILITY
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Shaft Diameter0.123 INCHES MINIMUM AND 0.126 INCHES MAXIMUM SINGLE ACTUATOR
Flat Height0.097 INCHES MINIMUM AND 0.103 INCHES MAXIMUM SINGLE ACTUATOR
Vendor Part Numbers721844-18, 721844-018
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 2531-1N3 available?
We can source 2531-1N3 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 2531-1N3 by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2531-1N3 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 2531-1N3?
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 2531-1N3?
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.