Vishay Sprague Inc. · Electronic Components
550-227
Resistor, Variable, Wire Wound, Pre
Part Number550-227
ManufacturerVishay Sprague Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-903-5741 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Mounting MethodCLAMP RING(S)
Overall Length1.660 INCHES NOMINAL
Overall Diameter1.046 INCHES NOMINAL
Undercut Width0.0530 INCHES MINIMUM AND 0.0730 INCHES MAXIMUM
Features ProvidedNONMETALLIC SHAFT
Ambient Temp In Deg Celsius Per Se40.0 SINGLE SECTION
Power Dissipation Rating Per Secti1.5 FREE AIR SINGLE SECTION
Terminal LocationLONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Resistance Tolerance Per Section I-5.0 TO 5.0 SINGLE SECTION
Temp Coefficient Of Resistance Per-20.0 TO 20.0 SINGLE SECTION
Vendor Part Numbers550-277
ProducttraceabilityNo
RohscompliantNA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantNA
UseccnUnknown
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 550-227 available?
We can source 550-227 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 550-227 by Vishay Sprague Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 550-227 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 550-227?
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 550-227?
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.