Bae Systems Information And Electronic Systems Integration Inc. · Electronic Components
21-78
Reactor — Coils and Transformers
Part Number21-78
ManufacturerBae Systems Information And Electronic Systems Integration Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-147-1476 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Winding Operating Current35.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Inductance Rating8.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity2 SINGLE GROUP
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP
Inductance TypeFIXED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Dc Resistance Rating In Ohms348.000 SINGLE COMPONENT SINGLE WINDING
Body Length1.938 INCHES NOMINAL
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Distance Between Mounting Facility2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Cancelled NSN5950-00-221-6622 (cancelled)
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 21-78 available?
We can source 21-78 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 21-78 by Bae Systems Information And Electronic Systems Integration Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-78 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 21-78?
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 21-78?
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.