● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Northrop Grumman Systems  · Electronic Components

900999-3124

Switch, Rotary

Part Number900999-3124
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating125.0 MILLIAMPERES INDUCTIVE LOAD AC AT SEA LEVEL
Style DesignatorSQUARE WAFER, PANEL MOUNT
Thread Series DesignatorUNEF FIRST MOUNTING FACILITY
Switch Actuator Stop Device TypeADJUSTABLE STOP SINGLE ACTUATOR
Thread Length0.375 INCHES NOMINAL FIRST MOUNTING FACILITY
Hazardous Locations EnvironmentalDUSTPROOF
Thread Class2A FIRST MOUNTING FACILITY
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Throw Quantity12 EACH SECTION REAR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Overall Height2.500 INCHES NOMINAL
Vendor Part Numbers900492-3
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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

Frequently asked

Is 900999-3124 available?
We can source 900999-3124 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 900999-3124 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 900999-3124 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 900999-3124?
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 900999-3124?
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.