Lockheed Martin · Electronic Components
9T51B128
Transformer, Power
Part Number9T51B128
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-957-6557 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage240.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity3 SINGLE GROUP
Terminal Type And Quantity6 TAB, SOLDER LUG
Body Height8.125 INCHES NOMINAL
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Center To Center Distance Between3.906 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Length4.750 INCHES NOMINAL
Body Width4.313 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
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 9T51B128 available?
We can source 9T51B128 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 9T51B128 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9T51B128 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 9T51B128?
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 9T51B128?
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.