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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-249239
Transformer, Radio Frequency
Part NumberSM-D-249239
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-523-8388 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Coil Form TypeHOLLOW SINGLE COMPONENT
Features ProvidedW/CAPACITOR AND W/RESISTOR
Reliability IndicatorNOT ESTABLISHED
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SECOND GROUP
Nominal Thread Size0.112 INCHES ALL GROUPINGS
Winding Shielding MethodINTERNALLY SHIELDED SINGLE COMPONENT
Distance Between Mounting Facility0.558 INCHES MINIMUM AND 0.568 INCHES MAXIMUM SINGLE MOUNTING FACILITY FIRST CENTER GROUP
Body Length0.828 INCHES MINIMUM AND 0.860 INCHES MAXIMUM
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Inclosure TypeOPEN
Vendor Part Numbers121-1, 278-0237-000
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 SM-D-249239 available?
We can source SM-D-249239 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 SM-D-249239 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 SM-D-249239 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 SM-D-249239?
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 SM-D-249239?
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.