Raytheon · Electronic Components
21378
Transformer, Power
Part Number21378
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-866-2486 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Winding Operating Voltage63.60 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Thread Quantity Per Inch40 SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Center To Center Distance Between1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Criticality Code JustificationFEAT
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Vendor Part Numbers3047A1, PEI 7284, 0665258-0501
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 21378 available?
We can source 21378 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 21378 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21378 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 21378?
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 21378?
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.