Northrop Grumman Systems · Electronic Components
15A1951-1
Switch, Rotary
Part Number15A1951-1
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-646-4919 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Nominal Thread Size0.190 INCHES SINGLE MOUNTING FACILITY
Overall Length9.500 INCHES NOMINAL
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Thread Quantity Per Inch20 SINGLE MOUNTING FACILITY
Overall Height2.531 INCHES NOMINAL
Mounting Facility Circle Radius1.610 INCHES NOMINAL SINGLE MOUNTING FACILITY
Individual Section Quantity24
Overall Width2.531 INCHES NOMINAL
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Contact Voltage Rating In Volts125.0 AC AT SEA LEVEL
Style DesignatorTAP, CIRCUIT SELECTOR
Vendor Part Numbers121312AA-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 15A1951-1 available?
We can source 15A1951-1 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 15A1951-1 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 15A1951-1 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 15A1951-1?
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 15A1951-1?
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.