Vishay Sprague Inc. · Electronic Components
641-1K
Resistor, Variable, Wire Wound, Pre
Part Number641-1K
ManufacturerVishay Sprague Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-058-3910 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Body Diameter0.550 INCHES NOMINAL
Section Quantity1
Effective Electrical Rotation In D3600.0 NOMINAL
Electrical Resistance Per Section1.0 KILOHMS SINGLE SECTION
Function Conformity Tolerance Per-0.50 TO 0.50 SINGLE SECTION
Features ProvidedNONMETALLIC SHAFT
Mounting MethodCLAMP RING(S)
Rotary Actuator Travel In Angular3630.0 NOMINAL
Power Dissipation Rating Per Secti2.5 FREE AIR SINGLE SECTION
Function Characteristic Per SectioSINGLE SECTION LINEAR
Terminal LocationREAR END 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 641-1K available?
We can source 641-1K 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 641-1K by Vishay Sprague Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 641-1K 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 641-1K?
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 641-1K?
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.