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CTS Electronic Components (California)  · Electronic Components

T3-1521-28

Shield, Electron Tube

Part NumberT3-1521-28
ManufacturerCTS Electronic Components (California)
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSHIELD,ELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Overall Height0.570 INCHES NOMINAL
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Surface TreatmentSILVER
Accommodated Item Securing DeviceFRICTION FASTENER
Distance Between Mounting Facility0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY FIRST CENTER GROUP
Material Document And ClassificatiQQ-C-533 FED SPEC 1ST MATERIAL RESPONSE
Unthreaded Mounting Hole Diameter0.093 INCHES NOMINAL SINGLE MOUNTING FACILITY
Precious MaterialSILVER
Style DesignatorIRREGULAR
Eia Electron Tube Envelope AccommoT3 3-1
MaterialCOPPER ALLOY 170 AND SILVER
Vendor Part Numbers188421-5
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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 T3-1521-28 available?
We can source T3-1521-28 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 T3-1521-28 by CTS Electronic Components (California) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If T3-1521-28 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 T3-1521-28?
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 T3-1521-28?
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.