Home /
Catalog / Department of the Army HQ United States Army Communications Research and Development Command / B4021588-4
Department of the Army HQ United States Army Communications Research and Development Command · Electronic Components
B4021588-4
Reactor — Coils and Transformers
Part NumberB4021588-4
ManufacturerDepartment of the Army HQ United States Army Communications Research and Development Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-243-8406 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Body Outside Diameter0.875 INCHES NOMINAL
Inductance Rating1250.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Dc Resistance Rating In Ohms0.700 SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Terminal Type And Quantity2 PIN
Inclosure TypeFULLY INCLOSED
Body Length0.438 INCHES MINIMUM
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity1 SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
Vendor Part NumbersSRA-1250, T518004404
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 B4021588-4 available?
We can source B4021588-4 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 B4021588-4 by Department of the Army HQ United States Army Communications Research and Development Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B4021588-4 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 B4021588-4?
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 B4021588-4?
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.