PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4370-3Switch,thermostatic

Sensata Technologies, Inc. Div Sensata Attleboro · NSN 5930-00-548-3021 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-548-3021 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-548-3021. Primary manufacturer part number: 4370-3.
Features
  • Switch,thermostatic — FSC 5930
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Mounting Method: FLANGE
  • Contact Stimulus Rating: 170.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 150.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Load Current Rating: 8.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
  • Contact Load Current Rating: 4.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
  • Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD FOURTH VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-548-3021, 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 Sensata Technologies, Inc. Div Sensata Attleboro. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-548-3021
Primary Part Number4370-3
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSensata Technologies, Inc. Div Sensata Attleboro
StatusACTIVE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Mounting MethodFLANGE
Contact Stimulus Rating170.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 150.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Load Current Rating8.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Load Current Rating4.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD FOURTH VOLTAGE
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL SECOND VOLTAGE
Operating Temp Rating400.0 FAHRENHEIT MAXIMUM DEGF
Terminal TypeTAB W/SCREW
Temp Sensing Element TypeINTERNAL SENSOR
Contact Action StimulusINCREASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-240-4430 INTERCHANGEABLE
Switch,thermostatic
5930-00-259-8038K7825805 INTERCHANGEABLE
Switch,thermostatic
Westinghouse Electric Corp
6625-00-525-35592142531-1 INTERCHANGEABLE
Multimeter
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5950-00-645-5448TR1013 INTERCHANGEABLE
Transformer,power,vibrator
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5930-00-681-5706 INTERCHANGEABLE
Switch,thermostatic
8920-01-371-3541 INTERCHANGEABLE
Cookies,chocolate Chip
Cross-Reference Index
Part NumberManufacturer
4370-3 PRIMARY Sensata Technologies, Inc. Div Sensata Attleboro (USA)
95-0936 Dialight Corporation (USA)
C4370-3 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
5930-00-240-4430INTERCHANGEABLE
SWITCH,THERMOSTATIC
5930-00-259-8038INTERCHANGEABLE
SWITCH,THERMOSTATIC
K7825805
6625-00-525-3559INTERCHANGEABLE
MULTIMETER
2142531-1
5950-00-645-5448INTERCHANGEABLE
TRANSFORMER,POWER,VIBRATOR
TR1013
5930-00-681-5706INTERCHANGEABLE
SWITCH,THERMOSTATIC
8920-01-371-3541INTERCHANGEABLE
COOKIES,CHOCOLATE CHIP

Frequently Asked Questions

What is NSN 5930-00-548-3021?

NSN 5930-00-548-3021 is a Switch,thermostatic, manufactured by Sensata Technologies, Inc. Div Sensata Attleboro, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-548-3021?

NSN 5930-00-548-3021 has 3 cross-referenced part numbers: 4370-3 (Sensata Technologies, Inc. Div Sensata Attleboro), 95-0936 (Dialight Corporation), C4370-3 (Sensata Technologies, Inc. Div Sensata Attleboro).

What NSN replaces 5930-00-548-3021?

There are 6 known substitutes for 5930-00-548-3021: 5930-00-240-4430, 5930-00-259-8038, 6625-00-525-3559 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4370-3?

Key specifications for 4370-3: Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION; Mounting Method: FLANGE; Overall Height: 0.875 INCHES NOMINAL IN; Contact Stimulus Rating: 170.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 150.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT. 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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