PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

THC31SSwitch,rotary

General Electric Co Electrical Distribution and Control · NSN 5930-01-143-4940 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-143-4940 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-143-4940. Primary manufacturer part number: THC31S.
Features
  • Switch,rotary — FSC 5930
  • Contact Voltage Rating in Volts: 600.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
  • Mounting Facility Pattern: ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY
  • Contact Voltage Rating in Volts: 240.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL
  • Switch Actuator Indexing Position Quantity: 2 SINGLE ACTUATOR
  • Features Provided: CAM ACTUATED
  • Longest Horizontal Distance Between Mounting Centers: 4.813 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Contact Voltage Rating in Volts: 250.0 DC AT SEA LEVEL
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-01-143-4940, 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 General Electric Co Electrical Distribution and Control. Government technical data includes 13 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-143-4940
Primary Part NumberTHC31S
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerGeneral Electric Co Electrical Distribution and Control
StatusACTIVE
Contact Voltage Rating in Volts600.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Mounting Facility PatternISOSCELES TRIANGLE SINGLE MOUNTING FACILITY
Contact Voltage Rating in Volts240.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL
Switch Actuator Indexing Position Quantity2 SINGLE ACTUATOR
Features ProvidedCAM ACTUATED
Longest Horizontal Distance Between Mounting Centers4.813 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Contact Voltage Rating in Volts250.0 DC AT SEA LEVEL
Shortest Horizontal Distance Between Mounting Centers1.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Longest Vertical Distance Between Mounting Centers6.126 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting MethodBRACKET(S) AND SLOT SINGLE MOUNTING FACILITY
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5930-01-161-30718-603 INTERCHANGEABLE
Switch,sensitive
Armstrong-Blum Mfg. Co.
Cross-Reference Index
Part NumberManufacturer
THC31S PRIMARY General Electric Co Electrical Distribution and Control (USA)
THC31S General Electric Company Dba Ge (USA)
Related Parts
5930-01-161-3071INTERCHANGEABLE
SWITCH,SENSITIVE
8-603

Frequently Asked Questions

What is NSN 5930-01-143-4940?

NSN 5930-01-143-4940 is a Switch,rotary, manufactured by General Electric Co Electrical Distribution and Control, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-143-4940?

NSN 5930-01-143-4940 has 2 cross-referenced part numbers: THC31S (General Electric Co Electrical Distribution and Control), THC31S (General Electric Company Dba Ge).

What NSN replaces 5930-01-143-4940?

There is 1 known substitute for 5930-01-143-4940: 5930-01-161-3071. Verify interchangeability with system specifications before substitution.

What are the specifications of THC31S?

Key specifications for THC31S: Contact Voltage Rating in Volts: 600.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL; Mounting Facility Pattern: ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY; Contact Voltage Rating in Volts: 240.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL; Switch Actuator Indexing Position Quantity: 2 SINGLE ACTUATOR. 15 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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