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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SW178
Switch, Rotary
Part NumberSW178
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-251-3117 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Mounting Facility PatternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Unthreaded Mounting Hole Diameter0.141 INCHES NOMINAL SINGLE MOUNTING FACILITY
Individual Section Quantity1
Longest Horizontal Distance Betwee0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Features ProvidedACTUATOR KNOB
Switch Contact Basic DesignPILE-UP
Vendor Part NumbersSCD6704FIG2, 498ASWITCHR0TARY
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 SW178 available?
We can source SW178 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 SW178 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 SW178 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 SW178?
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 SW178?
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.