NAVAIR/NAVSEA Design Activity · Electronic Components
1857251-308
Switch, Rotary
Part Number1857251-308
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-817-3716 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Test Data Document81349-MIL-S-3786 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Shaft Length0.750 INCHES NOMINAL SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Throw Quantity8 EACH SECTION REAR
Contact Voltage Rating In Volts125.0 DC AT SEA LEVEL
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Overall Diameter1.563 INCHES MAXIMUM
Nonturn Device TypeTAB AT 3:00 OCLOCK
Vendor Part Numbers210371-F3C, 601076-308, 1002994-308, 24515-4MLRC-3
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 1857251-308 available?
We can source 1857251-308 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 1857251-308 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1857251-308 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 1857251-308?
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 1857251-308?
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.