NAVAIR/NAVSEA Design Activity · Electronic Components
57A5A239-2
Switch, Rotary
Part Number57A5A239-2
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-578-3300 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts15.0 DC AT SEA LEVEL
Switch Actuator Indexing Position12 SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Overall Length1.887 INCHES NOMINAL
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Shaft Length0.688 INCHES NOMINAL SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION REAR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Nonturn Device TypeTAB AT 9:00 OCLOCK
Pole Quantity1 SINGLE SECTION FRONT
Vendor Part Numbers1077875-1
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 57A5A239-2 available?
We can source 57A5A239-2 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 57A5A239-2 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57A5A239-2 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 57A5A239-2?
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 57A5A239-2?
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.