Honeywell International Inc. · Electronic Components
F78S-B502
Resistor, Variable, Nonwire Wound,
Part NumberF78S-B502
ManufacturerHoneywell International Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-515-7872 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Undercut Width0.0620 INCHES NOMINAL
Actuator TypeSINGLE SHAFT
Resistance Tolerance Per Section I-5.0 TO 5.0 SINGLE SECTION
Mounting Lip Diameter0.8750 INCHES NOMINAL
Body Diameter0.875 INCHES NOMINAL
Body StyleCYLINDRICAL SERVO MOUNTED
Section Quantity1
Pilot Length0.0620 INCHES NOMINAL
Terminal Type And Quantity3 TAB, SOLDER LUG
Ambient Temp In Deg Celsius Per Se70.0 SINGLE SECTION
Electrical Resistance Per Section5.000 KILOHMS SINGLE SECTION
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 F78S-B502 available?
We can source F78S-B502 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 F78S-B502 by Honeywell International Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If F78S-B502 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 F78S-B502?
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 F78S-B502?
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.