Raytheon Company · Electronic Components
978188
Resistor, Variable, Wire Wound, Pre
Part Number978188
ManufacturerRaytheon Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-158-2343 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Reliability IndicatorNOT ESTABLISHED
Body StyleCYLINDRICAL BUSHING MOUNTED
Body Diameter0.880 INCHES NOMINAL
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Terminal Type And Quantity3 TAB, SOLDER LUG
Actuator Travel Control FeatureSTOPS
Test Data Document49956-978188 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER
Precious MaterialGOLD
Resistance Tolerance Per Section I-3.0 TO 3.0 SINGLE SECTION
Precious Material And LocationTERMINAL SURFACES GOLD
Ambient Temp In Deg Celsius Per Se70.0 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 978188 available?
We can source 978188 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 978188 by Raytheon Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 978188 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 978188?
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 978188?
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.