Electroswitch · Electronic Components
212821J4C
Switch, Rotary
Part Number212821J4C
ManufacturerElectroswitch
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-864-6277 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Precious Material And LocationCONTACTS SILVER
Pole Quantity2 EACH SECTION FRONT
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Shaft Length0.625 INCHES NOMINAL SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Thread Class2A SINGLE MOUNTING FACILITY
Overall Length3.880 INCHES NOMINAL
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Shaft Diameter0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SINGLE ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Nonturn Device TypeTAB AT 3:00 OCLOCK
Vendor Part Numbers721827-014
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 212821J4C available?
We can source 212821J4C 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 212821J4C by Electroswitch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 212821J4C 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 212821J4C?
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 212821J4C?
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.