Clarostat Sensors and Controls · Electronic Components
58-503A
Resistor, Variable, Wire Wound, Non
Part Number58-503A
ManufacturerClarostat Sensors and Controls
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-255-5691 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Section Quantity1
Contact Arm Electrical Off PositioFULLY CCW
Shaft Diameter0.250 INCHES NOMINAL
Terminal Type And Quantity3 TAB, SOLDER LUG
Power Dissipation Rating Per Secti3.0 FREE AIR SINGLE SECTION
Actuator TypeSINGLE SHAFT
Resistance Tolerance Per Section I-10.0 TO 10.0 SINGLE SECTION
Reliability IndicatorNOT ESTABLISHED
Body Length0.781 INCHES NOMINAL
Electrical Resistance Per Section50.0 KILOHMS SINGLE SECTION
Mounting MethodSTANDARD BUSHING
Cancelled NSN5905-00-023-9078 (cancelled)
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 58-503A available?
We can source 58-503A 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 58-503A by Clarostat Sensors and Controls obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 58-503A 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 58-503A?
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 58-503A?
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.