PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1932-21Switch,rotary

Janco Corporation Dba Janco Corp Div Mason Controls · NSN 5930-00-967-1921 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-967-1921 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-967-1921. Primary manufacturer part number: 1932-21.
Features
  • Switch,rotary — FSC 5930
  • Switch Actuator Positioning Increment: 36.0 DEGREES SINGLE ACTUATOR
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Hazardous Locations/environmental Protection: DUSTPROOF
  • Overall Diameter: 1.036 INCHES NOMINAL IN
  • Contact Voltage Rating in Volts: 28.0 DC AT SEA LEVEL
  • Mounting Method: THREADED BUSHING SINGLE MOUNTING FACILITY
  • Pole Quantity: 1 EACH SECTION REAR
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-967-1921, 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 Janco Corporation Dba Janco Corp Div Mason Controls. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN5930-00-967-1921
Primary Part Number1932-21
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerJanco Corporation Dba Janco Corp Div Mason Controls
StatusACTIVE
Switch Actuator Positioning Increment36.0 DEGREES SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Hazardous Locations/environmental ProtectionDUSTPROOF
Overall Diameter1.036 INCHES NOMINAL IN
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Pole Quantity1 EACH SECTION REAR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Thread Length0.437 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Shaft Length0.812 INCHES NOMINAL SINGLE ACTUATOR IN
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL
Precious Material and LocationCONTACTS SILVER
Switch Actuator Indexing Position Quantity10 SINGLE ACTUATOR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Throw Quantity10 EACH SECTION FRONT
First Flat Length0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Precious MaterialSILVER
Contact Load Current Rating125.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Contact Load Current Rating125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
Terminal TypeTAB, SOLDER LUG
Thread Class2A SINGLE MOUNTING FACILITY A
Individual Section Quantity8
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Rotor Through Connection Quantity1 EACH SECTION
Flat Height0.210 INCHES NOMINAL SINGLE ACTUATOR IN
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-071-1788AES01C438A25AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
5305-00-121-2634193221 INTERCHANGEABLE
Screw,cap,hexagon Head
Allison Transmission Inc Dba Allison Transmission, Inc
Cross-Reference Index
Part NumberManufacturer
1932-21 PRIMARY Janco Corporation Dba Janco Corp Div Mason Controls (USA)
613670-21 Lockheed Martin Corp (USA)
Related Parts
5305-00-071-1788INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C438A25AW9A91
5305-00-121-2634INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
193221

Frequently Asked Questions

What is NSN 5930-00-967-1921?

NSN 5930-00-967-1921 is a Switch,rotary, manufactured by Janco Corporation Dba Janco Corp Div Mason Controls, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-967-1921?

NSN 5930-00-967-1921 has 2 cross-referenced part numbers: 1932-21 (Janco Corporation Dba Janco Corp Div Mason Controls), 613670-21 (Lockheed Martin Corp).

What NSN replaces 5930-00-967-1921?

There are 2 known substitutes for 5930-00-967-1921: 5305-00-071-1788, 5305-00-121-2634. Verify interchangeability with system specifications before substitution.

What are the specifications of 1932-21?

Key specifications for 1932-21: Switch Actuator Positioning Increment: 36.0 DEGREES SINGLE ACTUATOR; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Hazardous Locations/environmental Protection: DUSTPROOF; Overall Diameter: 1.036 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

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