PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HKA251Switch,toggle

Carling Technologies, Inc Dba Carlingswitch · NSN 5930-01-039-9789 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-039-9789 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-039-9789. Primary manufacturer part number: HKA251.
Features
  • Switch,toggle — FSC 5930
  • Thread Quantity Per Inch: 32
  • Actuator Position-Action Relationship: UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED
  • Thread Series Designator: UNS
  • Nonpile-Up Contact Arrangement: 3 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
  • Contact Load Current Rating at Maximum Rated Voltage: 6.000 AMPERES RESISTIVE AC
  • Body Length: 1.312 INCHES NOMINAL IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,toggle, cataloged under National Stock Number 5930-01-039-9789, 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 Carling Technologies, Inc Dba Carlingswitch. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-01-039-9789
Primary Part NumberHKA251
Item NameSwitch,toggle
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerCarling Technologies, Inc Dba Carlingswitch
StatusCANCELLED
Thread Quantity Per Inch32
Actuator Position-Action RelationshipUP POSITION MAINTAINED AND DOWN POSITION MAINTAINED
Thread Series DesignatorUNS
Nonpile-Up Contact Arrangement3 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Terminal Type and Quantity6 TAB, SOLDER LUG
Contact Load Current Rating at Maximum Rated Voltage6.000 AMPERES RESISTIVE AC
Body Length1.312 INCHES NOMINAL IN
Bushing Length0.469 INCHES NOMINAL IN
Mounting MethodTHREADED BUSHING
Mounting Surface to Terminal End Distance1.125 INCHES NOMINAL IN
Actuator StyleROUND
Body StyleBUSHING MOUNT
Body Width0.094 INCHES NOMINAL IN
Maximum Voltage Rating in Volts600.0 AC
Hazardous Locations/environmental ProtectionDUSTPROOF
Actuator Height0.688 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Nominal Thread Size0.469 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5930-00-012-4411 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
HKA251 PRIMARY Carling Technologies, Inc Dba Carlingswitch (USA)
672508 L-Tec Welding and Cutting Systems (USA)
672508 Union Carbide Corp Sub of Dow Co the (USA)
672508 Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng (USA)
Related Parts
5930-00-012-4411INTERCHANGEABLE
SWITCH,TOGGLE

Frequently Asked Questions

What is NSN 5930-01-039-9789?

NSN 5930-01-039-9789 is a Switch,toggle, manufactured by Carling Technologies, Inc Dba Carlingswitch, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-01-039-9789?

NSN 5930-01-039-9789 has 4 cross-referenced part numbers: HKA251 (Carling Technologies, Inc Dba Carlingswitch), 672508 (L-Tec Welding and Cutting Systems), 672508 (Union Carbide Corp Sub of Dow Co the), 672508 (Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng).

What NSN replaces 5930-01-039-9789?

There is 1 known substitute for 5930-01-039-9789: 5930-00-012-4411. Verify interchangeability with system specifications before substitution.

What are the specifications of HKA251?

Key specifications for HKA251: Thread Quantity Per Inch: 32; Actuator Position-Action Relationship: UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED; Thread Series Designator: UNS; Nonpile-Up Contact Arrangement: 3 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-01-039-9789 still in active supply?

NSN 5930-01-039-9789 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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