Magnetika Inc. · Electronic Components
APS-137
Transformer, Power
Part NumberAPS-137
ManufacturerMagnetika Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-028-3752 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.138 INCHES SINGLE GROUP
Body Height2.190 INCHES MINIMUM AND 2.375 INCHES MAXIMUM
Center To Center Distance Between1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage1.20 AC VOLTS NOMINAL AND 4.90 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
Terminal Type And Quantity5 SOLDER STUD
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Vendor Part NumbersAPS-137S
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 APS-137 available?
We can source APS-137 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 APS-137 by Magnetika Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If APS-137 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 APS-137?
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 APS-137?
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.