C&K · Electronic Components
U21L40DZQE
Switch, Toggle
Part NumberU21L40DZQE
ManufacturerC&K
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-325-1035 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Thread Quantity Per Inch40
Nominal Thread Size0.250 INCHES
Maximum Voltage Rating In Volts28.0 DC AND 250.0 AC
Actuator Position Action RelationsUP POSITION MAINTAINED AND DOWN POSITION MAINTAINED
Mounting MethodTHREADED BUSHING
Inclosure TypeFULLY INCLOSED
Overall Width0.450 INCHES NOMINAL
Body Width0.450 INCHES NOMINAL
Precious Material And LocationCONTACT AND TERMINAL SURFACES SILVER
Contact Load Current Rating At Max5.000 AMPERES RESISTIVE DC AND 2.000 AMPERES RESISTIVE AC
Thread Class2A
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 U21L40DZQE available?
We can source U21L40DZQE 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 U21L40DZQE by C&K obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If U21L40DZQE 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 U21L40DZQE?
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 U21L40DZQE?
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.