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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-C-552257
Switch, Rotary
Part NumberSM-C-552257
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-482-0320 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Nonturn Device TypeTAB AT 10:00 OCLOCK
Detent Rotational Torque Range+1.000 TO 6.000 INCH-POUNDS SINGLE ACTUATOR
Overall Width1.125 INCHES NOMINAL
First Flat Length0.297 INCHES NOMINAL SINGLE ACTUATOR
Shaft Length0.500 INCHES NOMINAL SINGLE ACTUATOR
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Individual Section Quantity1
Contact Load Current Rating225.0 MILLIAMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL
Shaft Flat Slot Angular Location270.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
Vendor Part NumbersA8171
Cancelled NSN5930-01-021-2341 (cancelled)
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-C-552257 available?
We can source SM-C-552257 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-C-552257 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-C-552257 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-C-552257?
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-C-552257?
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.