● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
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Rockwell Collins  · Electronic Components

20642-21

Case, Power Supply

Part Number20642-21
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCASE,POWER SUPPLY
Federal Supply Class6130 — Power Supplies and Converters (Nonrotating)
Overall Length4.967 INCHES NOMINAL
Overall Width3.907 INCHES NOMINAL
Surface TreatmentNICKEL
MaterialALUMINUM ALLOY 6061
Component Quantity7
Width3.000 INCHES NOMINAL
Overall Height1.500 INCHES NOMINAL
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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 20642-21 available?
We can source 20642-21 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 20642-21 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20642-21 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 20642-21?
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 20642-21?
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.