Rockwell Automation · Electronic Components
RS503M
Resistor, Variable, Nonwire Wound,
Part NumberRS503M
ManufacturerRockwell Automation
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-837-9291 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Shaft StyleROUND, SLOTTED
Body Width0.250 INCHES NOMINAL
Terminal Type And Quantity3 TAB, SOLDER LUG
Power Dissipation Rating Per Secti0.25 FREE AIR SINGLE SECTION
Effective Electrical Rotation In D350.0 NOMINAL
Ambient Temp In Deg Celsius Per Se125.0 SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Mounting MethodUNTHREADED HOLE(S)
Resistance Temp Characteristic Ran+0.0 TO 7.0 -55 DEG CELSIUS SINGLE SECTION AND -1.0 TO 1.0 -25 DEG CELSIUS SINGLE SECTION AND -2.5 TO 2.0 0 DEG CELSIUS
Electrical Resistance Per Section50.000 KILOHMS SINGLE SECTION
Rotary Actuator Travel In Angular350.0 NOMINAL
Vendor Part Numbers1505931-9
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 RS503M available?
We can source RS503M 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 RS503M by Rockwell Automation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RS503M 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 RS503M?
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 RS503M?
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.