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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-A-776991-3
Switch, Code Indicating Wheel
Part NumberSM-A-776991-3
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-056-1008 (NSN)
Federal Item NameSWITCH,CODE INDICATING WHEEL
Federal Supply Class5930 — Switches
Individual Section Quantity1
Actuator TypePUSH BUTTON SINGLE ACTUATOR
Mounting Facility PatternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY
Mounting MethodBASE AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
Nominal Thread Size0.140 INCHES SINGLE MOUNTING FACILITY
Overall Width1.310 INCHES MAXIMUM
Thread Quantity Per Inch56 SINGLE MOUNTING FACILITY
Overall Height1.260 INCHES MAXIMUM
Thread Length0.140 INCHES NOMINAL SINGLE MOUNTING FACILITY
Overall Length0.480 INCHES NOMINAL
Distance Between Mounting Facility1.040 INCHES NOMINAL SINGLE MOUNTING FACILITY
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-A-776991-3 available?
We can source SM-A-776991-3 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-A-776991-3 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-A-776991-3 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-A-776991-3?
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-A-776991-3?
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.