L3 Technologies · Electronic Components
21805
Switch, Thermostatic
Part Number21805
ManufacturerL3 Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-023-1924 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Contact Voltage Rating In Volts120.0 AC AT SEA LEVEL SINGLE VOLTAGE
Contact Adjustment Range+50.00 TO 150.00 ACTUATION POINT DEGREES CELSIUS AND +50.00 TO 150.00 DEACTUATION POINT DEGREES CELSIUS
Terminal TypeWIRE LEAD
Temp Sensing Element TypeBULB
Body Diameter0.498 INCHES NOMINAL
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Bulb Diameter0.688 INCHES NOMINAL
Features ProvidedTUBING END SEAL CONNECTION
Thread Quantity Per Inch18 SINGLE THREADED BUSHING
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact Adjustment TypeINTERNAL DEACTUATION POINT SCREW AND INTERNAL ACTUATION POINT SCREW
Vendor Part Numbers1E1C2
Measurement Range+0.0 TO 500.0 OHMS SINGLE INDICATOR FIRST RANGE
Indicator TypeDIAL W/POINTER
Installation DesignHANDHELD
Circuit Current For Which DesignedDC
Style DesignatorRECTANGULAR SURFACE MTG
ESD/EMICode A — ESD/EMI sensitive item
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 21805 available?
We can source 21805 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 21805 by L3 Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21805 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 21805?
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 21805?
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.