Eaton Aerospace · Electronic Components
KFM338B
Resistor, Variable, Wire Wound, Pre
Part NumberKFM338B
ManufacturerEaton Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-342-4486 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Fragility FactorMODERATELY RUGGED
Body Length0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM
Screw Thread Quantity Per Inch32.0
Mounting Bushing Length0.411 INCHES NOMINAL
Shaft Runout0.002 INCHES
Section Quantity1
Body Diameter0.500 INCHES NOMINAL
Rotary Actuator Travel In Angular3600.0 MINIMUM AND 3650.0 MAXIMUM
Mounting MethodSTANDARD BUSHING
Ambient Temp In Deg Celsius Per Se125.0 SINGLE SECTION
Function Characteristic Per SectioSINGLE SECTION LINEAR
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 KFM338B available?
We can source KFM338B 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 KFM338B by Eaton Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KFM338B 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 KFM338B?
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 KFM338B?
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.