PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40252Switch,thermostatic

Naval Ship Systems Command · NSN 5930-00-296-3981 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-296-3981 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-296-3981. Primary manufacturer part number: 40252.
Features
  • Switch,thermostatic — FSC 5930
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Mounting Method: INLET CONNECTION
  • Contact Load Current Rating: 6.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SECOND VOLTAGE
  • Contact Adjustment Range: -50.00 TO 300.00 ACTUATION POINT DEGREES FAHRENHEIT
  • Contact Voltage Rating in Volts: 230.0 AC AT SEA LEVEL FIRST VOLTAGE
  • Contact Adjustment Type: EXTERNAL ACTUATION POINT SCREW
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-296-3981, 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 Naval Ship Systems Command. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-296-3981
Primary Part Number40252
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Temp Sensing Element TypeINTERNAL SENSOR
Mounting MethodINLET CONNECTION
Contact Load Current Rating6.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL SECOND VOLTAGE
Contact Adjustment Range-50.00 TO 300.00 ACTUATION POINT DEGREES FAHRENHEIT
Contact Voltage Rating in Volts230.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Terminal TypeCONNECTOR, RECEPTACLE
Contact Action StimulusINCREASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-142-435153176 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
6625-00-761-11654025-2 INTERCHANGEABLE
Voltmeter
Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc
3030-00-833-1325 INTERCHANGEABLE
Belts,v,matched Set
5330-00-862-9289114DS560-1 INTERCHANGEABLE
Seal,plain Encased
The Boeing Company
4410-00-869-2446 INTERCHANGEABLE
Remover,valve Sprin
6350-00-932-5548613905-2 INTERCHANGEABLE
Datum Box Assy
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5940-01-218-5978 INTERCHANGEABLE
Terminal,stud
3040-01-336-8249B8104355 ITEM 4-025-2 INTERCHANGEABLE
Gearshaft,spur
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
6730-01-538-206640252 INTERCHANGEABLE
Screen,projection
Da-Lite Screen Company Inc.
6685-01-539-827240252 INTERCHANGEABLE
Gage,pressure,dial Indicating
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
40252 PRIMARY Naval Ship Systems Command (USA)
Related Parts
3110-00-142-4351INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
53176
6625-00-761-1165INTERCHANGEABLE
VOLTMETER
4025-2
3030-00-833-1325INTERCHANGEABLE
BELTS,V,MATCHED SET
5330-00-862-9289INTERCHANGEABLE
SEAL,PLAIN ENCASED
114DS560-1
4410-00-869-2446INTERCHANGEABLE
REMOVER,VALVE SPRIN
6350-00-932-5548INTERCHANGEABLE
DATUM BOX ASSY
613905-2
5940-01-218-5978INTERCHANGEABLE
TERMINAL,STUD
3040-01-336-8249INTERCHANGEABLE
GEARSHAFT,SPUR
B8104355 ITEM 4-025-2
6730-01-538-2066INTERCHANGEABLE
SCREEN,PROJECTION
40252
6685-01-539-8272INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
40252
5310-01-556-5967INTERCHANGEABLE
WASHER,LOCK
40252
6150-01-655-6444INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 5930-00-296-3981?

NSN 5930-00-296-3981 is a Switch,thermostatic, manufactured by Naval Ship Systems Command, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-296-3981?

NSN 5930-00-296-3981 has 1 cross-referenced part number: 40252 (Naval Ship Systems Command).

What NSN replaces 5930-00-296-3981?

There are 12 known substitutes for 5930-00-296-3981: 3110-00-142-4351, 6625-00-761-1165, 3030-00-833-1325 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40252?

Key specifications for 40252: Temp Sensing Element Type: INTERNAL SENSOR; Mounting Method: INLET CONNECTION; Contact Load Current Rating: 6.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE; Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SECOND VOLTAGE. 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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