DRS Naval Power Systems · Electronic Components
42-4421
Transformer, Current
Part Number42-4421
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-518-3894 (NSN)
Federal Item NameTRANSFORMER,CURRENT
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Mounting Hole Diameter0.234 INCHES NOMINAL SINGLE GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current1200.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating10.0 HERTZ MINIMUM AND 70.0 HERTZ MAXIMUM SINGLE COMPONENT
Overall Height4.590 INCHES MINIMUM AND 4.650 INCHES MAXIMUM
Inclosure TypeFULLY INCLOSED
Overall Length4.720 INCHES MINIMUM AND 4.750 INCHES MAXIMUM
Overall Width1.630 INCHES MINIMUM AND 1.690 INCHES MAXIMUM
Terminal Type And Quantity1 TERMINAL BLOCK W/SCREWS
Mounting Facility Quantity4 SINGLE GROUP
Vendor Part Numbers97-1796 ITEM 16
ESD/EMICode A — ESD/EMI sensitive item
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 42-4421 available?
We can source 42-4421 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 42-4421 by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 42-4421 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 42-4421?
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 42-4421?
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.