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Northrop Grumman Systems Corp.  · Electronic Components

B4151A

Reactor — Coils and Transformers

Part NumberB4151A
ManufacturerNorthrop Grumman Systems Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Dc Resistance Rating In Ohms270.000 SINGLE COMPONENT SINGLE WINDING
Inclosure TypeHERMETICALLY SEALED
Center To Center Distance Between1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Terminal Type And Quantity2 STANDOFF, SOLDER LUG
Reliability IndicatorNOT ESTABLISHED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Height3.515 INCHES MAXIMUM
Mounting Facility Quantity4 SINGLE GROUP
Inductance Rating15.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Winding Quantity1 SINGLE COMPONENT
Cancelled NSN5950-00-647-6628 (cancelled)
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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

Frequently asked

Is B4151A available?
We can source B4151A 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 B4151A by Northrop Grumman Systems Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B4151A 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 B4151A?
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 B4151A?
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.