Northrop Grumman Systems · Electronic Components
54B6721H03
Switch, Thermostatic
Part Number54B6721H03
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-660-3731 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Mounting Facility PatternTHREE POSITION CIRCULAR
Terminal TypeTAB W/SCREW
Mounting MethodFLANGE AND UNTHREADED HOLE(S)
Operating Temp Rating-273.1 CELSIUS MINIMUM AND 125.0 FAHRENHEIT MAXIMUM
Contact Adjustment Range+98.00 TO 108.00 ACTUATION POINT DEGREES FAHRENHEIT
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Contact Stimulus Rating147.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT
Media For Which DesignedGAS OR LIQUID
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE, MANUAL RESET AND ACTUATION POINT ADJUSTABLE, PRESET
Contact Load Current Rating2.5 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Style DesignatorCYLINDRICAL W/FLANGE
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 54B6721H03 available?
We can source 54B6721H03 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 54B6721H03 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 54B6721H03 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 54B6721H03?
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 54B6721H03?
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.