Unisys Corporation · Electronic Components
B59943
Electron Tube
Part NumberB59943
ManufacturerUnisys Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-499-6781 (NSN)
Federal Item NameELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Envelope Medium TypeGAS
Tube TypeCATHODE RAY
Vendor Part NumbersNL59943
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is B59943 available?
We can source B59943 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 B59943 by Unisys Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B59943 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 B59943?
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 B59943?
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.