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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-188519
Switch, Rotary
Part NumberSM-B-188519
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-567-2851 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION REAR
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Contact Load Current Rating0.2 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Pole Quantity1 SINGLE SECTION REAR
Nonturn Device TypeTAB AT 9:00 OCLOCK
Nonturn Device Radius0.438 INCHES NOMINAL AT 9:00 OCLOCK
Overall Length1.307 INCHES MINIMUM AND 1.317 INCHES MAXIMUM
Width Between Flats0.125 INCHES NOMINAL SINGLE ACTUATOR
First Flat Length0.376 INCHES NOMINAL SINGLE ACTUATOR
Vendor Part Numbers433B188519
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 SM-B-188519 available?
We can source SM-B-188519 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 SM-B-188519 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-B-188519 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 SM-B-188519?
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 SM-B-188519?
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.