Northrop Grumman Systems Corporation · Electronic Components
L220A31
Transformer, Power
Part NumberL220A31
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-189-2564 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Terminal Type And Quantity12 TAB, SOLDER LUG
Winding Operating Current1.63 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Function And Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Center To Center Distance Between1.110 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Voltage108.00 AC VOLTS MINIMUM AND 118.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Power Rating138.5 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Overall Height2.540 INCHES NOMINAL
Thread Quantity Per Inch32 SINGLE GROUP
Vendor Part Numbers593R546A01, 593R546
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 L220A31 available?
We can source L220A31 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 L220A31 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L220A31 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 L220A31?
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 L220A31?
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.