William Spencer · Electronic Components
B5010-20
Resistor, Variable, Wire Wound, Non
Part NumberB5010-20
ManufacturerWilliam Spencer
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-617-2112 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Shaft StyleROUND, SLOTTED
Body Length4.250 INCHES NOMINAL
Power Dissipation Rating Per Secti75.0 FREE AIR SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Device Design TypeAT 12:00 OCLOCK LOCATION NOT OTHERWISE SPECIFIED
Ambient Temp In Deg Celsius Per Se70.0 SINGLE SECTION
Terminal Type And Quantity3 TAB, SOLDER LUG
Actuator Travel Control FeatureCLUTCH
Mounting Bushing Length0.625 INCHES NOMINAL
Nonturn Device Radius0.500 INCHES NOMINAL
Mounting MethodSTANDARD BUSHING
Vendor Part NumbersR750OHMSPORM10PCT
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 B5010-20 available?
We can source B5010-20 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 B5010-20 by William Spencer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B5010-20 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 B5010-20?
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 B5010-20?
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.