Transico, Inc. · Electronic Components
4B197638M
Switch, Code Indicating Wheel
Part Number4B197638M
ManufacturerTransico, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-112-0045 (NSN)
Federal Item NameSWITCH,CODE INDICATING WHEEL
Federal Supply Class5930 — Switches
Overall Width1.200 INCHES NOMINAL1.200 INCHES NOMINAL
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITYFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
Contact Load Current Rating125.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL125.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Terminal TypeTAB, SOLDER LUGTAB, SOLDER LUG
Individual Section Quantity44
Overall Height1.695 INCHES NOMINAL1.695 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.100 INCHES NOMINAL SINGLE MOUNTING FACILITY0.100 INCHES NOMINAL SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL28.0 DC AT SEA LEVEL
Switch Actuator Indexing Position16 ALL ACTUATORS16 ALL ACTUATORS
Contact Arrangement Truth TableBINARY CODE WITH COMPLEMENT, 2 POLE - 16 POSITIONS WITH 2 COMMONS EACH SECTIONBINARY CODE WITH COMPLEMENT, 2 POLE - 16 P
Operating Temp Range-20.0 TO 75.0 CELSIUS-20.0 TO 75.0 CELSIUS
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 4B197638M available?
We can source 4B197638M 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 4B197638M by Transico, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4B197638M 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 4B197638M?
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 4B197638M?
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.