Vishay Sprague · Electronic Components
502-21502
Resistor, Variable, Wire Wound, Pre
Part Number502-21502
ManufacturerVishay Sprague
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-510-3531 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Power Dissipation Rating Per Secti2.0 FREE AIR SINGLE SECTION
Pilot Diameter0.7500 INCHES NOMINAL
Electrical Resistance Per Section502.0 OHMS SINGLE SECTION
Ambient Temp In Deg Celsius Per Se125.0 SINGLE SECTION
Actuator TypeSINGLE SHAFT
Resistance Tolerance Per Section I-3.0 TO 3.0 SINGLE SECTION
Undercut Diameter0.8750 INCHES NOMINAL
Mounting Lip Depth0.0620 INCHES NOMINAL
Mounting Lip Diameter0.8750 INCHES NOMINAL
Undercut Width0.0570 INCHES MINIMUM
Shaft Length0.312 INCHES NOMINAL
ESD/EMICode A — 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 502-21502 available?
We can source 502-21502 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 502-21502 by Vishay Sprague obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 502-21502 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 502-21502?
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 502-21502?
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.