Vishay Sprague · Electronic Components
55-1-8-501
Resistor, Variable, Wire Wound, Non
Part Number55-1-8-501
ManufacturerVishay Sprague
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-054-0479 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Mounting MethodUNTHREADED HOLE(S)
Maximum Starting Torque5.00 INCH-OUNCES
Mounting Facility Quantity2
Electrical Resistance Per Section500.0 OHMS SINGLE SECTION
Maximum Running Torque5.00 INCH-OUNCES
Effective Electrical Rotation In D9000.0 NOMINAL
Cubic Measure0.047 CUBIC INCHES
Ambient Temp In Deg Celsius Per Se150.0 SINGLE SECTION
Rotary Actuator Travel In Angular9000.0 NOMINAL
Bearing TypeBEARING SHAFT
Lateral Distance Between Mounting0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM
Vendor Part Numbers860175-7
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 55-1-8-501 available?
We can source 55-1-8-501 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 55-1-8-501 by Vishay Sprague obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 55-1-8-501 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 55-1-8-501?
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 55-1-8-501?
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.