Vishay Dale Electronics, LLC · Electronic Components
1287-503
Resistor, Variable, Wire Wound, Pre
Part Number1287-503
ManufacturerVishay Dale Electronics, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-897-5654 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Actuator TypeSINGLE SHAFT
Center To Center Distance Between0.300 INCHES NOMINAL
Shaft Diameter0.125 INCHES NOMINAL
Section Quantity1
Mounting MethodUNTHREADED HOLE(S)
Overall Width0.280 INCHES NOMINAL
Terminal Type And Quantity3 PIN
Terminal LocationLOWER ADJACENT SIDE TWO ROWS LOCATION NOT OTHERWISE SPECIFIED
Temp Coefficient Of Resistance Per-50.0 TO 50.0 SINGLE SECTION
Resistance Tolerance Per Section I-5.0 TO 5.0 SINGLE SECTION
Actuator Travel Control FeatureCLUTCH
Vendor Part Numbers186077-002
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 1287-503 available?
We can source 1287-503 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 1287-503 by Vishay Dale Electronics, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1287-503 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 1287-503?
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 1287-503?
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.