DRS Naval Power Systems · Electronic Components
42-1338
Transformer, Power
Part Number42-1338
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-096-5076 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity4 SINGLE GROUP
Winding Power Rating250.0 VOLTS-AMPERES SINGLE COMPONENT ALL PRIMARY
Nominal Thread Size0.190 INCHES SINGLE GROUP
Center To Center Distance Between3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Overall Length5.250 INCHES NOMINAL
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Criticality Code JustificationFEAT
Winding Operating Voltage220.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Cancelled NSN5950-01-228-8222 (cancelled)
Body Height5.250 INCHES NOMINAL
Cooling MethodSELF-COOLED
Body Width3.812 INCHES NOMINAL
Maximum Transformer Power Rating250.0 VOLT-AMPERE SINGLE COMPONENT
Thread Series DesignatorUNF SINGLE GROUP
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 42-1338 available?
We can source 42-1338 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 42-1338 by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 42-1338 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 42-1338?
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 42-1338?
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.