Northrop Grumman Systems Corporation · Fixed Terminal Blocks
1801129
Switch, Rotary
Part Number1801129
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-905-9542 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Individual Section Quantity5
Overall Length3.312 INCHES NOMINAL
Mounting MethodBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Switch Actuator Positioning Increm90.0 DEGREES SINGLE ACTUATOR
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Contact Voltage Rating In Volts120.0 DC AT SEA LEVEL
Overall Width2.562 INCHES NOMINAL
Features ProvidedACTUATOR KNOB
Vendor Part Numbers121905LG
Standard Pack Qty50
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 1801129 available?
We can source 1801129 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 1801129 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1801129 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 1801129?
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 1801129?
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.