NAVAIR/NAVSEA Design Activity · Electronic Components
1857251-403
Switch, Rotary
Part Number1857251-403
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-987-1478 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nonturn Device TypeTAB AT 3:00 OCLOCK
Shaft Length0.750 INCHES NOMINAL SINGLE ACTUATOR
Flat Height0.216 INCHES NOMINAL SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Overall Length2.844 INCHES NOMINAL
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts125.0 DC AT SEA LEVEL
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Vendor Part Numbers234096-F4C, NA-601076-403
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 1857251-403 available?
We can source 1857251-403 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 1857251-403 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1857251-403 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 1857251-403?
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 1857251-403?
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.