Hamilton Sundstrand Corporation · Electronic Components
55381
Reactor — Coils and Transformers
Part Number55381
ManufacturerHamilton Sundstrand Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-270-4521 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Terminal Type And Quantity2 PIN
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
Distance Between Mounting Facility0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Outside Diameter0.625 INCHES MAXIMUM
Winding Quantity1 SINGLE COMPONENT
Body Length0.300 INCHES MAXIMUM
Turn Quantity260 SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Winding Conductor Size0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING
Overall Length5.375 INCHES NOMINAL
Mounting MethodLINE AND THREADED BUSHING
Nominal Thread Size0.500 INCHES SINGLE THREADED BUSHING
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Stimulus Rating20.00 DEACTUATION POINT NOMINAL GALLONS PER MINUTE
Hazardous Locations EnvironmentalVIBRATION RESISTANT
Contact Voltage Rating In Volts220.0 AC AT SEA LEVEL FIRST VOLTAGE
Media For Which DesignedLIQUID
Terminal TypeWIRE LEAD
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
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 55381 available?
We can source 55381 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 55381 by Hamilton Sundstrand Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 55381 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 55381?
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 55381?
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.