Omega Associates Inc. · Electronic Components
TP421
Transformer, Power
Part NumberTP421
ManufacturerOmega Associates Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-538-4800 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeHERMETICALLY SEALED
Body Width5.375 INCHES NOMINAL
Nominal Thread Size0.250 INCHES SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type And Quantity7 STANDOFF, THREADED STUD
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage24.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Height6.375 INCHES NOMINAL
Winding Operating Current6.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
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 TP421 available?
We can source TP421 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 TP421 by Omega Associates Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TP421 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 TP421?
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 TP421?
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.