NAVAIR/NAVSEA Design Activity · Electronic Components
2123771-1
Switch, Rotary
Part Number2123771-1
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-898-7189 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Terminal TypeTAB W/SCREW
Switch Actuator Indexing Position2 SINGLE ACTUATOR
Longest Horizontal Distance Betwee1.437 INCHES NOMINAL SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
Longest Vertical Distance Between1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY
Flat Height0.218 INCHES NOMINAL SINGLE ACTUATOR
Throw Quantity2 EACH SECTION FRONT
Pole Quantity1 EACH SECTION FRONT
Mounting MethodFLANGE SINGLE MOUNTING FACILITY
Individual Section Quantity4
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 2123771-1 available?
We can source 2123771-1 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 2123771-1 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2123771-1 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 2123771-1?
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 2123771-1?
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.