● 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
Plantronics Inc.  · Electronic Components

CS540

Headset, Electrical

Part NumberCS540
ManufacturerPlantronics Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameHEADSET,ELECTRICAL
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Earphone Quantity1
Headband TypeADJUSTABLE SINGLE BAND
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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 CS540 available?
We can source CS540 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 CS540 by Plantronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CS540 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 CS540?
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 CS540?
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.