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Northrop Grumman Systems  · Electronic Components

912157-4990

Resistor, Fixed, Wire Wound

Part Number912157-4990
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-0.200 TO 0.200
Ambient Temp In Deg Celsius At Zer145.0
Temp Range Of Temp Coefficient In-65.0 TO 145.0
Inclosure TypeENCAPSULATED
Reliability IndicatorESTABLISHED
Body Diameter0.130 INCHES MAXIMUM
Power Dissipation Rating In Watts0.050 FREE AIR
Ambient Temp At Full Rated Power125.0 CELSIUS
Reliability Failure Rate Level In1.0000
Body Length0.180 INCHES MAXIMUM
Terminal Length1.000 INCHES MINIMUM
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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

Frequently asked

Is 912157-4990 available?
We can source 912157-4990 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 912157-4990 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 912157-4990 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 912157-4990?
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 912157-4990?
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.