Marathonnorco Aerospace · Electronic Components
100427-1
Transformer, Power
Part Number100427-1
ManufacturerMarathonnorco Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-800-4162 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Winding Operating Current49.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeOPEN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type And Quantity20 THREADED STUD AND 6 WIRE LEAD
Center To Center Distance Between10.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Overall Width11.375 INCHES NOMINAL
Overall Height6.875 INCHES NOMINAL
Winding Operating Voltage208.00 AC VOLTS NOMINAL AND 440.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Vendor Part Numbers100543PC33
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 100427-1 available?
We can source 100427-1 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 100427-1 by Marathonnorco Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 100427-1 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 100427-1?
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 100427-1?
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.