Boeing · Electronic Components
407-40581-3
Transformer, Current
Part Number407-40581-3
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-254-2857 (NSN)
Federal Item NameTRANSFORMER,CURRENT
Federal Supply Class5950 — Coils and Transformers
Mounting Facility Quantity1 SINGLE GROUP
Nuclear Hardness Critical FeatureHARDENED
Reliability IndicatorNOT ESTABLISHED
Overall Length0.800 INCHES NOMINAL
Nominal Thread Size0.138 INCHES SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type And Quantity4 WIRE LEAD
Winding Operating Voltage0.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Vendor Part Numbers407-40617-1
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 407-40581-3 available?
We can source 407-40581-3 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 407-40581-3 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 407-40581-3 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 407-40581-3?
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 407-40581-3?
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.