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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SC-D-83990
Transformer, Radio Frequency
Part NumberSC-D-83990
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-189-0973 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Body Height1.531 INCHES NOMINAL
Distance Between Mounting Facility2.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Facility Quantity2 SINGLE GROUP
Body Length2.750 INCHES NOMINAL
Frequency Rating14.0 MEGAHERTZ MINIMUM AND 28.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Body Width1.625 INCHES NOMINAL
Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE GROUP
Terminal Type And Quantity4 PIN
Coil Form TypeHOLLOW SINGLE COMPONENT
Adjustment Method And Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Vendor Part Numbers51D1216
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 SC-D-83990 available?
We can source SC-D-83990 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 SC-D-83990 by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SC-D-83990 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 SC-D-83990?
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 SC-D-83990?
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.