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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-977885
Switch, Rotary
Part NumberSM-B-977885
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-424-1436 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Style DesignatorRECTANGULAR PANEL MOUNT
Overall Height1.060 INCHES NOMINAL
Individual Section Quantity1
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Voltage Rating In Volts125.0 DC AT SEA LEVEL
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Contact Load Current Rating6.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Precious MaterialSILVER
Terminal TypeTAB, SOLDER LUG
Overall Length1.580 INCHES NOMINAL
Vendor Part Numbers81727
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-977885 available?
We can source SM-B-977885 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-977885 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-977885 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-977885?
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-977885?
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.