Northrop Grumman Systems · Electronic Components
990C958H10
Switch, Rotary
Part Number990C958H10
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-109-9903 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Throw Quantity12 EACH SECTION REAR
Hazardous Locations EnvironmentalWATERTIGHT
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Pole Quantity1 EACH SECTION FRONT
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
First Flat Length0.250 INCHES NOMINAL SINGLE ACTUATOR
Switch Actuator Stop Device TypeADJUSTABLE STOP SINGLE ACTUATOR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Vendor Part Numbers37-1992-10
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 990C958H10 available?
We can source 990C958H10 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 990C958H10 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 990C958H10 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 990C958H10?
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 990C958H10?
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.