Hdt Expeditionary Systems Inc. · Electronic Components
54120
Switch, Thermostatic
Part Number54120
ManufacturerHdt Expeditionary Systems Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-227-7345 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Overall Height3.156 INCHES NOMINAL
Capillary Tube Length72.000 INCHES NOMINAL
Terminal TypeTAB W/SCREW
Bulb Length5.625 INCHES NOMINAL
Hazardous Locations EnvironmentalDUSTPROOF
Contact Action StimulusINCREASE
Contact Voltage Rating In Volts240.0 AC AT SEA LEVEL SINGLE VOLTAGE
Overall Width1.563 INCHES NOMINAL
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Mounting MethodBASE
Frequency In Hertz400.0 SINGLE VOLTAGE
Vendor Part NumbersA19AGA-2
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 54120 available?
We can source 54120 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 54120 by Hdt Expeditionary Systems Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 54120 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 54120?
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 54120?
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.