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NAVAIR/NAVSEA Design Activity  · Electronic Components

57A5A20-11

Switch, Rotary

Part Number57A5A20-11
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Individual Section Quantity3
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Hazardous Locations EnvironmentalMOISTURE RESISTANT
Flat Height0.219 INCHES NOMINAL SINGLE ACTUATOR
Thread Length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY
Shaft Flat Slot Angular Location180.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Vendor Part NumbersDRA34577-5, 3246774REVA4PC27
Cancelled NSN5930-00-503-2187 (cancelled)
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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

Frequently asked

Is 57A5A20-11 available?
We can source 57A5A20-11 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 57A5A20-11 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57A5A20-11 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 57A5A20-11?
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 57A5A20-11?
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.