PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ES815-4Switch,thermostatic

Drs Sustainment Systems Inc · NSN 5930-01-126-7337 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-126-7337 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-126-7337. Primary manufacturer part number: ES815-4.
Features
  • Switch,thermostatic — FSC 5930
  • Mounting Slot Width: 0.109 INCHES NOMINAL IN
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Distance Between Mounting Facility Centers: 0.750 INCHES NOMINAL IN
  • Contact Voltage Rating in Volts: 250.0 AC AT SEA LEVEL FIRST VOLTAGE
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
  • Contact Voltage Rating in Volts: 30.0 DC AT SEA LEVEL FOURTH VOLTAGE
  • Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-01-126-7337, 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 Drs Sustainment Systems Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-126-7337
Primary Part NumberES815-4
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerDrs Sustainment Systems Inc
StatusACTIVE
Mounting Slot Width0.109 INCHES NOMINAL IN
Mounting Facility PatternTWO POSITION IN-LINE
Distance Between Mounting Facility Centers0.750 INCHES NOMINAL IN
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL FOURTH VOLTAGE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD FOURTH VOLTAGE
Contact Voltage Rating in Volts30.0 AC AT SEA LEVEL THIRD VOLTAGE
Media for Which DesignedGAS
Contact Stimulus Rating70.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Mounting MethodBRACKET(S) AND SLOT
Terminal TypeTAB, SOLDER LUG
Temp Sensing Element TypeINTERNAL SENSOR
Body Height0.328 INCHES MAXIMUM IN
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Style DesignatorDISC W/FLANGE
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL SECOND VOLTAGE
Contact Action StimulusINCREASE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED
Body Diameter0.672 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-001-1900 INTERCHANGEABLE
Reactor
2530-00-112-00153927941 INTERCHANGEABLE
Parts Kit,kingpin
General Motors Llc Dba General Motors Llc
4820-00-181-922796C4 INTERCHANGEABLE
Cock,poppet Drain
Auto-Valve, Inc
5940-00-197-8683A480 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
5325-00-433-00271201-470-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
4320-00-604-1987A470 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
5855-01-700-4220A470 INTERCHANGEABLE
Cap,lens
Lightforce Usa, Incorporated Div Mil-Gov-Le
Cross-Reference Index
Part NumberManufacturer
ES815-4 Drs Sustainment Systems, Inc. (USA)
4344-12-35 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
C4344-12-35 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
ES815-4 PRIMARY Drs Sustainment Systems Inc (USA)
A470 Essex Group Inc Controls Div Lexington Plant
Related Parts
5950-00-001-1900INTERCHANGEABLE
REACTOR
2530-00-112-0015INTERCHANGEABLE
PARTS KIT,KINGPIN
3927941
4820-00-181-9227INTERCHANGEABLE
COCK,POPPET DRAIN
96C4
5940-00-197-8683INTERCHANGEABLE
TERMINAL,LUG
A480
5325-00-433-0027INTERCHANGEABLE
STUD,TURNLOCK FASTENER
1201-470-Z3C
4320-00-604-1987INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A470
5855-01-700-4220INTERCHANGEABLE
CAP,LENS
A470

Frequently Asked Questions

What is NSN 5930-01-126-7337?

NSN 5930-01-126-7337 is a Switch,thermostatic, manufactured by Drs Sustainment Systems Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-126-7337?

NSN 5930-01-126-7337 has 5 cross-referenced part numbers: ES815-4 (Drs Sustainment Systems, Inc.), 4344-12-35 (Sensata Technologies, Inc. Div Sensata Attleboro), C4344-12-35 (Sensata Technologies, Inc. Div Sensata Attleboro), ES815-4 (Drs Sustainment Systems Inc), A470 (Essex Group Inc Controls Div Lexington Plant).

What NSN replaces 5930-01-126-7337?

There are 7 known substitutes for 5930-01-126-7337: 5950-00-001-1900, 2530-00-112-0015, 4820-00-181-9227 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ES815-4?

Key specifications for ES815-4: Mounting Slot Width: 0.109 INCHES NOMINAL IN; Mounting Facility Pattern: TWO POSITION IN-LINE; End Item Identification: DEF FIRECNSYS 20418; Distance Between Mounting Facility Centers: 0.750 INCHES NOMINAL IN. 27 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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