PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18021-0Switch,thermostatic

Kidde-Fenwal, Llc · NSN 5930-01-049-1087 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-049-1087 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-049-1087. Primary manufacturer part number: 18021-0.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Action Stimulus: INCREASE
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Terminal Type: WIRE LEAD
  • Width Across Flats: 1.000 INCHES NOMINAL IN
  • Body Diameter: 0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Body Length: 2.344 INCHES NOMINAL IN
  • Mounting Method: THREADED BUSHING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-01-049-1087, 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 Kidde-Fenwal, Llc. Government technical data includes 19 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-049-1087
Primary Part Number18021-0
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerKidde-Fenwal, Llc
StatusACTIVE
Contact Action StimulusINCREASE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Terminal TypeWIRE LEAD
Width Across Flats1.000 INCHES NOMINAL IN
Body Diameter0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Body Length2.344 INCHES NOMINAL IN
Mounting MethodTHREADED BUSHING
Special Test FeaturesNAVORD OD42046
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL SECOND VOLTAGE
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Media for Which DesignedGAS OR LIQUID
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Style DesignatorCYLINDRICAL W/FLANGE
Contact Adjustment Range-100.00 TO 350.00 ACTUATION POINT DEGREES FAHRENHEIT
Temp Sensing Element TypeIMMERSION WELL
Contact Voltage Rating in Volts230.0 AC AT SEA LEVEL FIRST VOLTAGE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SPECIAL TESTFEATURES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5815-00-244-4446180210 INTERCHANGEABLE
Keytop,keyboard
Lucent Technologies Inc Corporate Headquarters
5930-00-296-398718021-0 INTERCHANGEABLE
Switch,thermostatic
Kidde-Fenwal, Llc
5935-00-947-6570SMB523987-9 INTERCHANGEABLE
Jack,tip
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
18021-0 Kidde-Fenwal, Llc (USA)
Related Parts
5815-00-244-4446INTERCHANGEABLE
KEYTOP,KEYBOARD
180210
5930-00-296-3987INTERCHANGEABLE
SWITCH,THERMOSTATIC
18021-0
5935-00-947-6570INTERCHANGEABLE
JACK,TIP
SMB523987-9

Frequently Asked Questions

What is NSN 5930-01-049-1087?

NSN 5930-01-049-1087 is a Switch,thermostatic, manufactured by Kidde-Fenwal, Llc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-049-1087?

NSN 5930-01-049-1087 has 1 cross-referenced part number: 18021-0 (Kidde-Fenwal, Llc).

What NSN replaces 5930-01-049-1087?

There are 3 known substitutes for 5930-01-049-1087: 5815-00-244-4446, 5930-00-296-3987, 5935-00-947-6570. Verify interchangeability with system specifications before substitution.

What are the specifications of 18021-0?

Key specifications for 18021-0: Contact Action Stimulus: INCREASE; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Terminal Type: WIRE LEAD; Width Across Flats: 1.000 INCHES NOMINAL IN. 20 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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