Vishay Sprague · Electronic Components
55-4-12-500
Resistor, Variable, Wire Wound, Non
Part Number55-4-12-500
ManufacturerVishay Sprague
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-901-3249 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Center To Center Distance Between0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
Rotary Actuator Travel In Angular15120.0 NOMINAL
Bearing TypeSLEEVE SHAFT
Fragility FactorMODERATELY RUGGED
Mounting MethodTERMINAL
Cubic Measure0.058 CUBIC INCHES
Ambient Temp In Deg Celsius Per Se70.0 SINGLE SECTION
Terminal Type And Quantity3 PIN
Actuator TypeSINGLE SHAFT
Temp Coefficient Of Resistance Per-50.0 TO 50.0 SINGLE SECTION
Terminal LocationLEFT ADJACENT SIDE TWO ROWS LOCATION NOT OTHERWISE SPECIFIED
Vendor Part Numbers55-9-115-500, A25A209-160-101
ESD/EMICode B — 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 55-4-12-500 available?
We can source 55-4-12-500 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 55-4-12-500 by Vishay Sprague obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 55-4-12-500 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 55-4-12-500?
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 55-4-12-500?
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.