PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21003A4Switch,rotary

Electro Switch Corp. Dba Electro Switch Corp · NSN 5930-00-097-7553 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-097-7553 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-097-7553. Primary manufacturer part number: 21003A4.
Features
  • Switch,rotary — FSC 5930
  • Square Shaft Size: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
  • Knob Special Markings: ARROW SIGN
  • Nominal Thread Size: 0.190 INCHES SINGLE MOUNTING FACILITY IN
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
  • Terminal Type: SCREW
  • Shaft Length: 1.125 INCHES NOMINAL SINGLE ACTUATOR IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-097-7553, 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 Electro Switch Corp. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-097-7553
Primary Part Number21003A4
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Electro Switch Corp
StatusCANCELLED
Square Shaft Size0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Knob Special MarkingsARROW SIGN
Nominal Thread Size0.190 INCHES SINGLE MOUNTING FACILITY IN
Thread Class2B SINGLE MOUNTING FACILITY
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Terminal TypeSCREW
Shaft Length1.125 INCHES NOMINAL SINGLE ACTUATOR IN
Mounting MethodBRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Shaft TypeRECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL
Style DesignatorTAP, CIRCUIT SELECTOR
Mounting Facility Circle Radius1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Switch Actuator Indexing Position Quantity3 SINGLE ACTUATOR
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Features ProvidedACTUATOR KNOB
Switch Actuator Positioning Increment45.0 DEGREES SINGLE ACTUATOR
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Thread Quantity Per Inch24 SINGLE MOUNTING FACILITY
Individual Section Quantity3
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-155-67341210 INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
2815-00-337-69022-10A INTERCHANGEABLE
Cylinder Air 8 in
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5961-00-445-254334CD199H01 INTERCHANGEABLE
Holder,semiconductor Device
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5120-00-555-9556210A INTERCHANGEABLE
Flaring Tool,tube,hand
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5905-01-069-4992335708-2 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Lockheed Martin Corporation Div Rms - Mitchel Field
5920-01-228-1672 INTERCHANGEABLE
Protector,telephone
4320-01-330-5969210A INTERCHANGEABLE
Pump,reciprocating
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Cross-Reference Index
Part NumberManufacturer
21003A4 PRIMARY Electro Switch Corp. Dba Electro Switch Corp (USA)
C7362-10-3-5 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
21003A-5 Electro Switch Corp. Dba Electro Switch Corp (USA)
210A Electro Switch Corp. Dba Electro Switch Corp (USA)
Related Parts
3110-00-155-6734INTERCHANGEABLE
BEARING,BALL,ANNULAR
1210
2815-00-337-6902INTERCHANGEABLE
CYLINDER AIR 8 IN
2-10A
5961-00-445-2543INTERCHANGEABLE
HOLDER,SEMICONDUCTOR DEVICE
34CD199H01
5120-00-555-9556INTERCHANGEABLE
FLARING TOOL,TUBE,HAND
210A
5905-01-069-4992INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
335708-2
5920-01-228-1672INTERCHANGEABLE
PROTECTOR,TELEPHONE
4320-01-330-5969INTERCHANGEABLE
PUMP,RECIPROCATING
210A

Frequently Asked Questions

What is NSN 5930-00-097-7553?

NSN 5930-00-097-7553 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Electro Switch Corp, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-097-7553?

NSN 5930-00-097-7553 has 4 cross-referenced part numbers: 21003A4 (Electro Switch Corp. Dba Electro Switch Corp), C7362-10-3-5 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 21003A-5 (Electro Switch Corp. Dba Electro Switch Corp), 210A (Electro Switch Corp. Dba Electro Switch Corp).

What NSN replaces 5930-00-097-7553?

There are 7 known substitutes for 5930-00-097-7553: 3110-00-155-6734, 2815-00-337-6902, 5961-00-445-2543 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21003A4?

Key specifications for 21003A4: Square Shaft Size: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Knob Special Markings: ARROW SIGN; Nominal Thread Size: 0.190 INCHES SINGLE MOUNTING FACILITY IN; Overall Width: 2.812 INCHES NOMINAL IN. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-097-7553 still in active supply?

NSN 5930-00-097-7553 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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