Hamilton Sundstrand · Electronic Components
956C521-1
Transformer, Power
Part Number956C521-1
ManufacturerHamilton Sundstrand
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-591-4327 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Center To Center Distance Between1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Length2.500 INCHES MAXIMUM
Body Height2.281 INCHES MAXIMUM
Frequency Rating220.0 HERTZ MINIMUM AND 550.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current500.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type And Quantity7 TAB, SOLDER LUG
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Voltage23.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
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 956C521-1 available?
We can source 956C521-1 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 956C521-1 by Hamilton Sundstrand obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 956C521-1 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 956C521-1?
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 956C521-1?
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.