C&K · Electronic Components
3-2-21-2-0-0-0-3
Switch, Code Indicating Wheel
Part Number3-2-21-2-0-0-0-3
ManufacturerC&K
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-341-7937 (NSN)
Federal Item NameSWITCH,CODE INDICATING WHEEL
Federal Supply Class5930 — Switches
Switch Actuator Indexing Position10 ALL ACTUATORS
Longest Vertical Distance Between0.900 INCHES NOMINAL FIRST MOUNTING FACILITY
Readout Indicator Marking0,1,2,3,4,5,6,7,8,9 EACH SECTION
Overall Height1.560 INCHES NOMINAL
Actuator TypeTHUMBWHEEL ALL ACTUATORS
ColorBLACK EACH INDICATOR BACKGROUND
Operating Temp Range-10.0 TO 65.0 CELSIUS
Precious MaterialGOLD
Mounting Facility PatternFOUR POSITION RECTANGULAR FIRST MOUNTING FACILITY
Mounting Slot Width0.100 INCHES NOMINAL FIRST MOUNTING FACILITY
Longest Horizontal Distance Betwee1.280 INCHES NOMINAL FIRST MOUNTING FACILITY
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 3-2-21-2-0-0-0-3 available?
We can source 3-2-21-2-0-0-0-3 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 3-2-21-2-0-0-0-3 by C&K obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3-2-21-2-0-0-0-3 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 3-2-21-2-0-0-0-3?
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 3-2-21-2-0-0-0-3?
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.