Boeing · Electronic Components
45331-404
Reactor — Coils and Transformers
Part Number45331-404
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-050-2187 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Terminal Type And Quantity2 SOLDER STUD
Body Height0.730 INCHES NOMINAL
Mounting Facility Quantity4 SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Reliability IndicatorNOT ESTABLISHED
Body Width0.937 INCHES NOMINAL
Mounting Hole Diameter0.063 INCHES NOMINAL SINGLE GROUP
Dc Resistance Rating In Ohms180.000 SINGLE COMPONENT SINGLE WINDING
Center To Center Distance Between0.700 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting MethodFLANGE AND UNTHREADED HOLE(S) 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 45331-404 available?
We can source 45331-404 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 45331-404 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 45331-404 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 45331-404?
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 45331-404?
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.