Janco · Electronic Components
AA45-2-4BS
Switch, Rotary
Part NumberAA45-2-4BS
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-388-9146 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Class2A SINGLE MOUNTING FACILITY
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
First Flat Length0.250 INCHES NOMINAL SINGLE ACTUATOR
Nonturn Device TypeSLOTTED BUSHING AT 3:00 OCLOCK
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD AND 2.5 AMPERES INDUCTIVE LOAD DC AT SEA LEVEL
Shaft Length0.370 INCHES NOMINAL SINGLE ACTUATOR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Overall Diameter1.036 INCHES MAXIMUM
Flat Height0.210 INCHES NOMINAL SINGLE ACTUATOR
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Pole Quantity8 EACH SECTION REAR
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 AA45-2-4BS available?
We can source AA45-2-4BS 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 AA45-2-4BS by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AA45-2-4BS 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 AA45-2-4BS?
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 AA45-2-4BS?
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.