Aimtron Systems · Electronic Components
400240
Resistor, Variable, Wire Wound, Pre
Part Number400240
ManufacturerAimtron Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-907-3850 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Mounting Hole Stud Circle Diameter1.250 INCHES NOMINAL
Overall Diameter1.906 INCHES NOMINAL
Features ProvidedNONMETALLIC SHAFT
Function Conformity Tolerance Per-0.50 TO 0.50 SINGLE SECTION
Function Conformity Per SectionSINGLE SECTION ABSOLUTE CONFORMITY
Function Characteristic Per SectioSINGLE SECTION EQUATION
Terminal Type And Quantity5 TURRET
Resistance Tolerance Per Section I-10.0 TO 10.0 SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Actuator Travel Control FeatureCONTINUOUS MOTION
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
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 400240 available?
We can source 400240 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 400240 by Aimtron Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 400240 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 400240?
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 400240?
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.