PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33-31590-1Switch,toggle

General Dynamics Mission Systems, Inc. · NSN 5930-00-850-4991 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-850-4991 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-850-4991. Primary manufacturer part number: 33-31590-1.
Features
  • Switch,toggle — FSC 5930
  • Actuator Position-Action Relationship: UP POSITION MAINTAINED AND DOWN POSITION MOMENTARY
  • Mounting Method: THREADED BUSHING
  • Terminal Type and Quantity: 12 SCREW
  • Thread Series Designator: UNS
  • Nonpile-Up Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
  • Precious Material and Location: TERMINAL SURFACES SILVER
  • Actuator Position-Locking Relationship: UP POSITION LOCKED IN AND DOWN POSITION NO LOCKING ACTION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,toggle, cataloged under National Stock Number 5930-00-850-4991, 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 Dynamics Mission Systems, Inc.. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-850-4991
Primary Part Number33-31590-1
Item NameSwitch,toggle
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusCANCELLED
Actuator Position-Action RelationshipUP POSITION MAINTAINED AND DOWN POSITION MOMENTARY
Mounting MethodTHREADED BUSHING
Terminal Type and Quantity12 SCREW
Thread Series DesignatorUNS
Nonpile-Up Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Precious Material and LocationTERMINAL SURFACES SILVER
Actuator Position-Locking RelationshipUP POSITION LOCKED IN AND DOWN POSITION NO LOCKING ACTION
Test Data Document81349-MIL-S-3950 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Specification/standard Data96906-MS24660 GOVERNMENT STANDARD
Contact Load Current Rating at Maximum Rated Voltage18.000 AMPERES RESISTIVE DC AND 10.000 AMPERES INDUCTIVE DC AND 4.000 AMPERES LAMP DC AND 11.000 AMPERES RESISTIVE AC AND 8.000 AMPERES INDUCTIVE AC AND 2.000 AMPERES LAMP AC
Actuator StyleROUND
Body Height1.100 INCHES NOMINAL IN
Nominal Thread Size0.469 INCHES IN
Inclosure TypeFULLY INCLOSED
Features ProvidedACTUATOR SEAL
Thread Quantity Per Inch32
Bushing Length0.470 INCHES NOMINAL IN
Body Length1.340 INCHES MAXIMUM IN
Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Body Width1.660 INCHES MAXIMUM IN
Body StyleBUSHING MOUNT
Actuator Height1.140 INCHES NOMINAL IN
Actuator Diameter0.420 INCHES NOMINAL IN
Hazardous Locations/environmental ProtectionSUBMERSIBLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5815-00-126-803879513 INTERCHANGEABLE
Plate,contact Mount
Telemechanics Inc
2540-00-709-9460000667074 INTERCHANGEABLE
Tee,windshield Wiper
Am General Llc
3010-01-005-511279513 INTERCHANGEABLE
Disk,clutch,nonvehicular
Aerocontrolex Group, Inc. Div Talley Actuators
4720-01-048-0636141524 INTERCHANGEABLE
Hose,nonmetallic
Hyster-Yale Group, Inc.
5950-01-158-9873795-13 INTERCHANGEABLE
Transformer,power
B.c. Systems Inc. Dba Bc Systems Inc
Cross-Reference Index
Part NumberManufacturer
33-31590-1 General Dynamics Mission Systems, Inc. (USA)
MS24660-26F Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4TL1-8F Honeywell International Inc. Dba Honeyweel Sensing & Controls (USA)
MIL-DTL-3950 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS-24660-26F Honeywell International Inc. Dba Honeyweel Sensing & Controls (USA)
MIL-S-3950 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
24TL1-8F Honeywell International Inc. Dba Honeyweel Sensing & Controls (USA)
79513 Setra Systems, Inc. Dba Gems Sensors (USA)
STSVS540-26F Lockheed Martin Corp (USA)
4TL1-8F Hamilton Mfg Co (USA)
Related Parts
5815-00-126-8038INTERCHANGEABLE
PLATE,CONTACT MOUNT
79513
2540-00-709-9460INTERCHANGEABLE
TEE,WINDSHIELD WIPER
000667074
3010-01-005-5112INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
79513
4720-01-048-0636INTERCHANGEABLE
HOSE,NONMETALLIC
141524
5950-01-158-9873INTERCHANGEABLE
TRANSFORMER,POWER
795-13

Frequently Asked Questions

What is NSN 5930-00-850-4991?

NSN 5930-00-850-4991 is a Switch,toggle, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-850-4991?

NSN 5930-00-850-4991 has 10 cross-referenced part numbers: 33-31590-1 (General Dynamics Mission Systems, Inc.), MS24660-26F (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 4TL1-8F (Honeywell International Inc. Dba Honeyweel Sensing & Controls), MIL-DTL-3950 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS-24660-26F (Honeywell International Inc. Dba Honeyweel Sensing & Controls) and 5 more.

What NSN replaces 5930-00-850-4991?

There are 5 known substitutes for 5930-00-850-4991: 5815-00-126-8038, 2540-00-709-9460, 3010-01-005-5112 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33-31590-1?

Key specifications for 33-31590-1: Actuator Position-Action Relationship: UP POSITION MAINTAINED AND DOWN POSITION MOMENTARY; Mounting Method: THREADED BUSHING; Terminal Type and Quantity: 12 SCREW; Thread Series Designator: UNS. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-850-4991 still in active supply?

NSN 5930-00-850-4991 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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