Electroswitch · Electronic Components
187637-A1
Switch, Rotary
Part Number187637-A1
ManufacturerElectroswitch
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-681-4138 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Precious MaterialSILVER
Contact Load Current Rating1.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Nonturn Device Radius0.375 INCHES NOMINAL AT 3:00 OCLOCK
Precious Material And LocationCLIPSANDROTOR BLADES SILVER
First Flat Length0.312 INCHES NOMINAL SINGLE ACTUATOR
Thread Series DesignatorUN SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts110.0 AC AT SEA LEVEL
Overall Height1.016 INCHES NOMINAL
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 187637-A1 available?
We can source 187637-A1 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 187637-A1 by Electroswitch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 187637-A1 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 187637-A1?
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 187637-A1?
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.