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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SMC748839-2
Resistor, Variable, Wire Wound, Pre
Part NumberSMC748839-2
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-140-0948 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Section Quantity1
Cubic Measure0.613 CUBIC INCHES
Rotary Actuator Travel In Angular3600.0 MINIMUM AND 3610.0 MAXIMUM
Electrical Resistance Per Section1.0 KILOHMS SINGLE SECTION
Ambient Temp In Deg Celsius Per Se125.0 SINGLE SECTION
Features ProvidedHUMIDITY PROOF
Mounting MethodSTANDARD BUSHING
Maximum Starting Torque0.60 INCH-OUNCES
Pilot Diameter Runout0.002 INCHES
Screw Thread Quantity Per Inch32.0
Shaft Radial Play0.003 INCHES
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 SMC748839-2 available?
We can source SMC748839-2 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 SMC748839-2 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 SMC748839-2 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 SMC748839-2?
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 SMC748839-2?
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.