Janco · Electronic Components
4-1912
Switch, Rotary
Part Number4-1912
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-908-8057 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Shaft Length0.437 INCHES NOMINAL SINGLE ACTUATOR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Switch Actuator Momentary PositionCOUNTERCLOCKWISE SINGLE ACTUATOR
Shaft TypeROUND SINGLE ACTUATOR
Individual Section Quantity1
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Precious Material And LocationCONTACTS SILVER
Overall Length2.244 INCHES NOMINAL
Terminal TypeTAB, SOLDER LUG
Shaft Diameter0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM SINGLE ACTUATOR
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Vendor Part Numbers737103-01
Cancelled NSN5930-00-482-1042 (cancelled)
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 4-1912 available?
We can source 4-1912 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 4-1912 by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4-1912 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 4-1912?
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 4-1912?
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.