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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-524778-1
Resistor, Variable, Wire Wound, Non
Part NumberSM-B-524778-1
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-878-6568 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Section Quantity1
Electrical Resistance Per Section3.0 KILOHMS SINGLE SECTION
Ambient Temp In Deg Celsius Per Se175.0 SINGLE SECTION
Terminal LocationLOWER ADJACENT SIDE TWO ROWS LOCATION NOT OTHERWISE SPECIFIED
Temp Coefficient Of Resistance Per-50.0 TO 50.0 SINGLE SECTION
Power Dissipation Rating Per Secti1.0 FREE AIR SINGLE SECTION
Terminal Type And Quantity3 PIN
Actuator Travel Control FeatureCLUTCH
Resistance Tolerance Per Section I-5.0 TO 5.0 SINGLE SECTION
Center To Center Distance Between0.100 INCHES NOMINAL
Terminal Length0.300 INCHES NOMINAL
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-524778-1 available?
We can source SM-B-524778-1 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-B-524778-1 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-B-524778-1 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-B-524778-1?
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-B-524778-1?
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.