Curtiss-Wright Flow Control · Electronic Components
3121756-1
Transformer, Power Autotransforme
Part Number3121756-1
ManufacturerCurtiss-Wright Flow Control
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-210-1098 (NSN)
Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Overall Length6.000 INCHES MAXIMUM
Terminal Type And Quantity9 WIRE LEAD
Overall Height2.750 INCHES MAXIMUM
Center To Center Distance Between3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Current4.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Overall Width4.000 INCHES NOMINAL
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
ESD/EMICode A — ESD/EMI sensitive item
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 3121756-1 available?
We can source 3121756-1 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 3121756-1 by Curtiss-Wright Flow Control obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3121756-1 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 3121756-1?
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 3121756-1?
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.