Janco Corporation · Electronic Components
1906-1B4
Switch, Rotary
Part Number1906-1B4
ManufacturerJanco Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-802-2920 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Length0.438 INCHES NOMINAL SINGLE MOUNTING FACILITY
Throw Quantity4 SINGLE SECTION REAR
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Individual Section Quantity1
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION REAR
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Flat Height0.210 INCHES NOMINAL SINGLE ACTUATOR
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 1906-1B4 available?
We can source 1906-1B4 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 1906-1B4 by Janco Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1906-1B4 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 1906-1B4?
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 1906-1B4?
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.