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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-850489-1
Resistor, Variable, Nonwire Wound,
Part NumberSM-D-850489-1
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-046-7277 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Terminal Type And Quantity5 TAB, SOLDER LUG
Shaft Length0.500 INCHES NOMINAL
Features ProvidedHUMIDITY PROOF AND SWITCH
Rotary Actuator Travel In Angular270.0 MINIMUM AND 280.0 MAXIMUM
Ambient Temp In Deg Celsius Per Se70.0 SINGLE SECTION
Screw Thread Series DesignatorUNEF
Actuator Travel Control FeatureSTOPS
Screw Thread Quantity Per Inch32.0
Switch Voltage Rating In Volts28.0
Electrical Resistance Per Section50.0 KILOHMS SINGLE SECTION
Switch TypeROTARY
ESD/EMICode B — ESD/EMI sensitive item
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-850489-1 available?
We can source SM-D-850489-1 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-850489-1 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-850489-1 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-850489-1?
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-850489-1?
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.