Janco · Electronic Components
29-1904-3
Switch, Rotary
Part Number29-1904-3
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-195-3244 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Throw Quantity6 SINGLE SECTION REAR
Switch Actuator Positioning Increm45.0 DEGREES SINGLE ACTUATOR
Contact Load Current Rating2.5 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION REAR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Nonturn Device Radius0.427 INCHES MINIMUM AND 0.437 INCHES MAXIMUM AT 3:00 OCLOCK
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Thread Class2A SINGLE MOUNTING FACILITY
Vendor Part Numbers740525-103
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 29-1904-3 available?
We can source 29-1904-3 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 29-1904-3 by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 29-1904-3 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 29-1904-3?
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 29-1904-3?
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.