Vishay Sprague Inc. · Electronic Components
550-5439
Resistor, Variable, Wire Wound, Pre
Part Number550-5439
ManufacturerVishay Sprague Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-906-0874 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Features ProvidedHERMETICALLY SEALED
Electrical Resistance Per Section5.0 KILOHMS SINGLE SECTION
Mounting Lip Diameter0.8750 INCHES NOMINAL
Function Conformity Tolerance Per-0.25 TO 0.25 SINGLE SECTION
Shaft Length0.375 INCHES NOMINAL
Resistance Tolerance Per Section I-5.0 TO 5.0 SINGLE SECTION
Terminal Type And Quantity3 TAB, SOLDER LUG
Power Dissipation Rating Per Secti1.5 FREE AIR SINGLE SECTION
Actuator Travel Control FeatureCLUTCH
Ambient Temp In Deg Celsius Per Se40.0 SINGLE SECTION
Function Characteristic Per SectioSINGLE SECTION LINEAR
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 550-5439 available?
We can source 550-5439 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 550-5439 by Vishay Sprague Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 550-5439 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 550-5439?
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 550-5439?
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.