Northrop Grumman Systems Corp. · Electronic Components
520021-005
Switch Section, Rotary
Part Number520021-005
ManufacturerNorthrop Grumman Systems Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-148-3060 (NSN)
Federal Item NameSWITCH SECTION,ROTARY
Federal Supply Class5930 — Switches
Throw Quantity17 SINGLE SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Precious Material And LocationCONTACTS GOLD AND CONTACTS SILVER
Style DesignatorSWITCH SECTION, ROTARY
Pole Quantity1 SINGLE SECTION FRONT
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION FRONT
Terminal TypeTAB, SOLDER LUG
Precious MaterialGOLD AND SILVER
Overall Width2.000 INCHES NOMINAL
Contact Voltage Rating In Volts110.0 AC AT SEA LEVEL
Vendor Part Numbers4-1182-504
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 520021-005 available?
We can source 520021-005 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 520021-005 by Northrop Grumman Systems Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 520021-005 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 520021-005?
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 520021-005?
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.