PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M203-70Switch,thermostatic

Essex Group Inc Controls Div Lexington Plant · NSN 5930-00-669-9024 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-669-9024 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-669-9024. Primary manufacturer part number: M203-70.
Features
  • Switch,thermostatic — FSC 5930
  • Operating Temp Rating: -76.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
  • Contact Action Stimulus: INCREASE
  • Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Contact Load Current Rating: 8.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
  • Contact Voltage Rating in Volts: 27.5 DC AT SEA LEVEL SECOND VOLTAGE
  • Terminal Type: TAB, SOLDER LUG
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-669-9024, 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 Essex Group Inc Controls Div Lexington Plant. Government technical data includes 10 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-669-9024
Primary Part NumberM203-70
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerEssex Group Inc Controls Div Lexington Plant
StatusACTIVE
Operating Temp Rating-76.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
Contact Action StimulusINCREASE
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Temp Sensing Element TypeINTERNAL SENSOR
Contact Load Current Rating8.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Voltage Rating in Volts27.5 DC AT SEA LEVEL SECOND VOLTAGE
Terminal TypeTAB, SOLDER LUG
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL FIRST VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact AdjustabilityDEACTUATION POINT ADJUSTABLE, PRESET AND ACTUATION POINT ADJUSTABLE, PRESET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1670-00-801-3575R3031C1 INTERCHANGEABLE
Deployment Bag,parachute
Pioneer Aerospace Corp
6665-01-243-785372-0032 INTERCHANGEABLE
Monitor,chemical Agent
Gas Tech, Inc
5985-01-556-2654720032 INTERCHANGEABLE
Antenna
Dayton-Granger, Inc.
Cross-Reference Index
Part NumberManufacturer
M203-70 Essex Group Inc Controls Div Lexington Plant
720032 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
1670-00-801-3575INTERCHANGEABLE
DEPLOYMENT BAG,PARACHUTE
R3031C1
6665-01-243-7853INTERCHANGEABLE
MONITOR,CHEMICAL AGENT
72-0032
5985-01-556-2654INTERCHANGEABLE
ANTENNA
720032

Frequently Asked Questions

What is NSN 5930-00-669-9024?

NSN 5930-00-669-9024 is a Switch,thermostatic, manufactured by Essex Group Inc Controls Div Lexington Plant, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-669-9024?

NSN 5930-00-669-9024 has 2 cross-referenced part numbers: M203-70 (Essex Group Inc Controls Div Lexington Plant), 720032 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5930-00-669-9024?

There are 3 known substitutes for 5930-00-669-9024: 1670-00-801-3575, 6665-01-243-7853, 5985-01-556-2654. Verify interchangeability with system specifications before substitution.

What are the specifications of M203-70?

Key specifications for M203-70: Operating Temp Rating: -76.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF; Contact Action Stimulus: INCREASE; Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE; Temp Sensing Element Type: INTERNAL SENSOR. 13 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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