PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-21524-561Switch,rotary

Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch · NSN 5930-00-636-4423 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-636-4423 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-636-4423. Primary manufacturer part number: 5-21524-561.
Features
  • Switch,rotary — FSC 5930
  • Contact Switching Action: MAKES BEFORE BREAKS SINGLE SECTION FRONT
  • Nonturn Device Radius: 0.531 INCHES NOMINAL AT 10:30 OCLOCK IN
  • Nonturn Device Type: TAB AT 10:30 OCLOCK
  • Thread Series Designator: UNEF SINGLE MOUNTING FACILITY
  • Contact Switching Action: MAKES BEFORE BREAKS SINGLE SECTION REAR
  • Shaft Length: 0.625 INCHES NOMINAL SINGLE ACTUATOR IN
  • Shaft Type: ROUND SINGLE ACTUATOR
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-636-4423, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-636-4423
Primary Part Number5-21524-561
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Oak Grisgsby Div Electroswitch
StatusCANCELLED
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION FRONT
Nonturn Device Radius0.531 INCHES NOMINAL AT 10:30 OCLOCK IN
Nonturn Device TypeTAB AT 10:30 OCLOCK
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION REAR
Shaft Length0.625 INCHES NOMINAL SINGLE ACTUATOR IN
Shaft TypeROUND SINGLE ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Operating Temp Range-65.0 TO 125.0 CELSIUS DEGC
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Overall Diameter2.062 INCHES NOMINAL IN
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
Precious MaterialSILVER
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Thread Class2A SINGLE MOUNTING FACILITY A
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Contact Voltage Rating in Volts110.0 AC AT SEA LEVEL
Individual Section Quantity1
Precious Material and LocationCONTACT SURFACES SILVER
Hazardous Locations/environmental ProtectionSALT SPRAY RESISTANT
Shaft Diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SINGLE ACTUATOR IN
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6680-01-102-142245618 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
6105-01-513-549345618 INTERCHANGEABLE
Motor,alternating Current
Senior Operations Llc Dba Metal Bellows Div Metal Bellows
Cross-Reference Index
Part NumberManufacturer
5-21524-561 PRIMARY Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
42712-H1C Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
45618REVA L3harris Technologies, Inc Div Space & Airborne Systems (USA)
42712-DH1C Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
45618 L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
6680-01-102-1422INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
45618
6105-01-513-5493INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
45618

Frequently Asked Questions

What is NSN 5930-00-636-4423?

NSN 5930-00-636-4423 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-636-4423?

NSN 5930-00-636-4423 has 5 cross-referenced part numbers: 5-21524-561 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 42712-H1C (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 45618REVA (L3harris Technologies, Inc Div Space & Airborne Systems), 42712-DH1C (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 45618 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5930-00-636-4423?

There are 2 known substitutes for 5930-00-636-4423: 6680-01-102-1422, 6105-01-513-5493. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-21524-561?

Key specifications for 5-21524-561: Contact Switching Action: MAKES BEFORE BREAKS SINGLE SECTION FRONT; Nonturn Device Radius: 0.531 INCHES NOMINAL AT 10:30 OCLOCK IN; Nonturn Device Type: TAB AT 10:30 OCLOCK; Thread Series Designator: UNEF SINGLE MOUNTING FACILITY. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-636-4423 still in active supply?

NSN 5930-00-636-4423 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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