Northrop Grumman Systems Corporation · Electronic Components
166973
Transformer, Power
Part Number166973
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-203-5791 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Mounting Facility Quantity3 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Terminal Type And Quantity6 THREADED STUD
Center To Center Distance Between3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Maximum Transformer Power Rating15.0 WATTS SINGLE COMPONENT
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Vendor Part Numbers6303
Terminal TypeWIRE LEAD
Style DesignatorCYLINDRICAL W/MOUNTING LUGS
Contact Stimulus Rating14.10 DEACTUATION POINT NOMINAL GALLONS PER MINUTE
Contact Voltage Rating In Volts32.0 DC AT SEA LEVEL SECOND VOLTAGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE
Contact Load Current Rating0.5 AMPERES INDUCTIVE LOAD AND 0.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Action StimulusDECREASE
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 166973 available?
We can source 166973 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 166973 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 166973 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 166973?
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 166973?
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.