PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21812Switch,liquid Level

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-00-140-4186 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-140-4186 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-140-4186. Primary manufacturer part number: 21812.
Features
  • Switch,liquid Level — FSC 5930
  • Float Quantity: 1
  • Electrical Connection Type: CONNECTOR PLUG
  • Specific Equipment Accommodated: ENGINE ROOM CONSOLE
  • Mounting Method: THREAD
  • Actuation Method: BUOYANCY
  • 2 verified cross-references
  • Primary manufacturer: Setra Systems, Inc. Dba Gems Sensors
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,liquid Level, cataloged under National Stock Number 5930-00-140-4186, 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 Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 5 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-140-4186
Primary Part Number21812
Item NameSwitch,liquid Level
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Float Quantity1
Electrical Connection TypeCONNECTOR PLUG
Specific Equipment AccommodatedENGINE ROOM CONSOLE
Mounting MethodTHREAD
Actuation MethodBUOYANCY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2530-00-339-5130 INTERCHANGEABLE
Brake Lining Kit
5360-00-506-9509 INTERCHANGEABLE
Spring,helical,compression
5360-00-623-542121812 INTERCHANGEABLE
Spring
Mason Electric Co. Dba Mason Controls
5961-01-169-6504 INTERCHANGEABLE
Transistor
5305-01-356-720821812 INTERCHANGEABLE
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Boart Canada Inc
6550-01-371-4633221812 INTERCHANGEABLE
Culture Medium,brain Heart Infus
Becton, Dickinson and Company Dba Becton Dickinson & Co
5990-01-423-818921812 INTERCHANGEABLE
Synchro,receiver
Elbitamerica, Inc.
6630-01-592-25906805344 INTERCHANGEABLE
Lamp,hematology Analyzer
Beckman Coulter Inc Div Us Customer Operations
1630-01-685-94282-1812 INTERCHANGEABLE
Brake,multiple Disk
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
21812 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
168A2434AXP06NC General Electric Company Dba Ge (USA)
Related Parts
2530-00-339-5130INTERCHANGEABLE
BRAKE LINING KIT
5360-00-506-9509INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5360-00-623-5421INTERCHANGEABLE
SPRING
21812
5961-01-169-6504INTERCHANGEABLE
TRANSISTOR
5305-01-356-7208INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
21812
6550-01-371-4633INTERCHANGEABLE
CULTURE MEDIUM,BRAIN HEART INFUS
221812
5990-01-423-8189INTERCHANGEABLE
SYNCHRO,RECEIVER
21812
6630-01-592-2590INTERCHANGEABLE
LAMP,HEMATOLOGY ANALYZER
6805344
1630-01-685-9428INTERCHANGEABLE
BRAKE,MULTIPLE DISK
2-1812

Frequently Asked Questions

What is NSN 5930-00-140-4186?

NSN 5930-00-140-4186 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-140-4186?

NSN 5930-00-140-4186 has 2 cross-referenced part numbers: 21812 (Setra Systems, Inc. Dba Gems Sensors), 168A2434AXP06NC (General Electric Company Dba Ge).

What NSN replaces 5930-00-140-4186?

There are 9 known substitutes for 5930-00-140-4186: 2530-00-339-5130, 5360-00-506-9509, 5360-00-623-5421 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21812?

Key specifications for 21812: Float Quantity: 1; Electrical Connection Type: CONNECTOR PLUG; Specific Equipment Accommodated: ENGINE ROOM CONSOLE; Mounting Method: THREAD. 5 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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