The Dewey Electronics Corporation · Electronic Components
40890-1
Resistor, Variable, Wire Wound, Pre
Part Number40890-1
ManufacturerThe Dewey Electronics Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-189-1687 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Body StyleCYLINDRICAL BUSHING MOUNTED
Effective Electrical Rotation In D3604.0 MAXIMUM
Screw Thread Diameter0.312 INCHES NOMINAL
Section Quantity1
Features ProvidedNONMETALLIC SHAFT
Ambient Temp In Deg Celsius Per Se125.0 SINGLE SECTION
Electrical Resistance Per Section5.0 KILOHMS SINGLE SECTION
Function Conformity Tolerance Per-0.25 TO 0.25 SINGLE SECTION
Rotary Actuator Travel In Angular3604.0 MAXIMUM
Mounting MethodSTANDARD BUSHING
Terminal LocationLONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
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 40890-1 available?
We can source 40890-1 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 40890-1 by The Dewey Electronics Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40890-1 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 40890-1?
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 40890-1?
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.