Avionics Specialties, Inc. · Electronic Components
123-0558
Resistance Element
Part Number123-0558
ManufacturerAvionics Specialties, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-091-0994 (NSN)
Federal Item NameRESISTANCE ELEMENT
Federal Supply Class5905 — Resistors
Terminal Quantity4
Tap Quantity2
Terminal TypeLUG
Width0.500 INCHES NOMINAL
Thickness0.125 INCHES NOMINAL
Section Resistance Between Taps In0.025 AND 0.050 AND 0.075
Unit TypeWIRE
Mounting ConfigurationTWO 0.125 IN. DIA MTG HOLES 1 IN. C TO C
Terminal Length0.250 INCHES
Terminal Width0.125 INCHES
Resistance Tolerance In Percent-10.0 TO 10.0
Vendor Part Numbers123-558
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 123-0558 available?
We can source 123-0558 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 123-0558 by Avionics Specialties, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 123-0558 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 123-0558?
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 123-0558?
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.