● 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
National Security Agency  · Electronic Components

0N002990

Insulator, Washer

Part Number0N002990
ManufacturerNational Security Agency
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameINSULATOR,WASHER
Federal Supply Class5970 — Electrical Insulators
MaterialPLASTIC PHENOLIC OR PAPER OVERALL
Style DesignatorROUND, FLAT
Overall Height0.031 INCHES NOMINAL
Inside Diameter0.199 INCHES NOMINAL
Outside Diameter0.562 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 0N002990 available?
We can source 0N002990 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 0N002990 by National Security Agency obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0N002990 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 0N002990?
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 0N002990?
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.