Herley Chicago · Electronic Components
18P215421-3
Resistor, Variable, Nonwire Wound,
Part Number18P215421-3
ManufacturerHerley Chicago
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-761-5397 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Mounting Bushing Length0.375 INCHES NOMINAL
Overall Diameter1.874 INCHES NOMINAL
Body Diameter1.094 INCHES NOMINAL
Overall Length1.484 INCHES NOMINAL
Terminal Type And Quantity4 TAB, SOLDER LUG
Electrical Resistance Per Section250.0 KILOHMS SINGLE SECTION
Ambient Temp In Deg Celsius Per Se120.0 SINGLE SECTION
Resistance Tolerance Per Section I-20.0 TO 20.0 SINGLE SECTION
Fragility FactorMODERATELY RUGGED
Screw Thread Series DesignatorUNEF
Device Design TypeNONTURN AT 9:00 OCLOCKUNABLE TO DECODE
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 18P215421-3 available?
We can source 18P215421-3 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 18P215421-3 by Herley Chicago obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18P215421-3 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 18P215421-3?
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 18P215421-3?
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.