Micro Uspd Inc. · Electronic Components
3A31
Electron Tube
Part Number3A31
ManufacturerMicro Uspd Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-890-7045 (NSN)
Federal Item NameELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Tube TypeRECTIFIER
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 3A31 available?
We can source 3A31 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 3A31 by Micro Uspd Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3A31 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 3A31?
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 3A31?
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.