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Esuk Aerospace and Simulation  · Electronic Components

QF451

Electron Tube

Part NumberQF451
ManufacturerEsuk Aerospace and Simulation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Vendor Part Numbers280-990071-506, BS810, 1804596
Cancelled NSN5960-01-121-9647 (cancelled)
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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 QF451 available?
We can source QF451 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 QF451 by Esuk Aerospace and Simulation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QF451 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 QF451?
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 QF451?
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.