Lockheed Martin · Electronic Components
SMC-121839GR1
Transformer, Radio Frequency
Part NumberSMC-121839GR1
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-219-6456 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeOPEN
Terminal Type And Quantity4 WIRE LEAD
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED BUSHING SINGLE GROUP
Body Outside Diameter0.281 INCHES NOMINAL
Overall Length1.344 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Coil Form TypeHOLLOW SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Adjustment Method And Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Thread Quantity Per Inch28 SINGLE GROUP
Vendor Part NumbersSM-A-121840G1
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 SMC-121839GR1 available?
We can source SMC-121839GR1 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 SMC-121839GR1 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SMC-121839GR1 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 SMC-121839GR1?
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 SMC-121839GR1?
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.