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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-78757
Transformer, Radio Frequency
Part NumberSM-B-78757
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-393-1514 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Thread Quantity Per Inch32 SINGLE GROUP
Terminal Type And Quantity3 WIRE LEAD
Body Length0.875 INCHES NOMINAL
Adjustment Method And Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Inclosure TypeOPEN
Reliability IndicatorNOT ESTABLISHED
Winding Conductor Size0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY
Turn Quantity15-1/4 SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED BUSHING SINGLE GROUP
Nominal Thread Size0.190 INCHES SINGLE GROUP
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Vendor Part Numbers3251
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-B-78757 available?
We can source SM-B-78757 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-B-78757 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-B-78757 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-B-78757?
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-B-78757?
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.