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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SMC540679
Synchro, Control Transformer
Part NumberSMC540679
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-826-5503 (NSN)
Federal Item NameSYNCHRO,CONTROL TRANSFORMER
Federal Supply Class5990 — Synchros and Resolvers
Rotor Dc Resistance In Ohms400.00 NOMINAL
Zro Resistance In Ohms450.00 NOMINAL
Stator Dc Resistance In Ohms80.00 NOMINAL
Pilot Length0.0400 INCHES NOMINAL
Transformation Ratio2.203 ROTOR TO STATOR NOMINAL
Plus J Zrs Reactance In Ohms174.00 NOMINAL
Zso Resistance In Ohms73.00 NOMINAL
Plus J Zro Reactance In Ohms1150.00 NOMINAL
Shaft Length0.3350 INCHES NOMINAL SINGLE SHAFT
Terminal LocationREAR
Actuator Friction Torque At Minus15.00 CENTIMETER-GRAMS NOMINAL
Vendor Part NumbersU212697
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 SMC540679 available?
We can source SMC540679 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 SMC540679 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 SMC540679 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 SMC540679?
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 SMC540679?
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.