Honeywell Intl Inc. Defense Avionics Systems Former Test Systems Div · Electronic Components
QB400390
Switch, Rotary
Part NumberQB400390
ManufacturerHoneywell Intl Inc. Defense Avionics Systems Former Test Systems Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-948-2896 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Vendor Part Numbers6-1994
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 QB400390 available?
We can source QB400390 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 QB400390 by Honeywell Intl Inc. Defense Avionics Systems Former Test Systems Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If QB400390 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 QB400390?
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 QB400390?
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.