PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C216531Switch,thermostatic

National Security Agency · NSN 5930-00-350-1839 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-350-1839 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-350-1839. Primary manufacturer part number: C216531.
Features
  • Switch,thermostatic — FSC 5930
  • Distance Between Mounting Facility Centers: 0.375 INCHES NOMINAL IN
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Style Designator: DISC W/FLANGE
  • Media for Which Designed: GAS OR LIQUID
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SINGLE VOLTAGE
  • Contact Stimulus Rating: 5.00 ACTUATION POINT NOMINAL DEGREES CELSIUS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-350-1839, 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 National Security Agency. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-350-1839
Primary Part NumberC216531
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNational Security Agency
StatusACTIVE
Distance Between Mounting Facility Centers0.375 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Style DesignatorDISC W/FLANGE
Media for Which DesignedGAS OR LIQUID
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL SINGLE VOLTAGE
Contact Stimulus Rating5.00 ACTUATION POINT NOMINAL DEGREES CELSIUS
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Terminal TypeWIRE LEAD
Temp Sensing Element TypeINTERNAL SENSOR
Hazardous Locations/environmental ProtectionDUSTPROOF
Body Height0.290 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
Contact Action StimulusINCREASE
Mounting MethodBRACKET(S)
Mounting Facility PatternTWO POSITION IN-LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3950-00-224-8446 INTERCHANGEABLE
Winch,gypsy
4720-00-734-28246DE9740 INTERCHANGEABLE
Hose Assembly,metallic
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
Cross-Reference Index
Part NumberManufacturer
3100-8-2 Honeywell International Inc. Dba Honeywell Div Sensing and Control (USA)
C216531 PRIMARY National Security Agency (USA)
423-588 Essex Group Inc Controls Div Lexington Plant
Related Parts
3950-00-224-8446INTERCHANGEABLE
WINCH,GYPSY
4720-00-734-2824INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
6DE9740

Frequently Asked Questions

What is NSN 5930-00-350-1839?

NSN 5930-00-350-1839 is a Switch,thermostatic, manufactured by National Security Agency, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-350-1839?

NSN 5930-00-350-1839 has 3 cross-referenced part numbers: 3100-8-2 (Honeywell International Inc. Dba Honeywell Div Sensing and Control), C216531 (National Security Agency), 423-588 (Essex Group Inc Controls Div Lexington Plant).

What NSN replaces 5930-00-350-1839?

There are 2 known substitutes for 5930-00-350-1839: 3950-00-224-8446, 4720-00-734-2824. Verify interchangeability with system specifications before substitution.

What are the specifications of C216531?

Key specifications for C216531: Distance Between Mounting Facility Centers: 0.375 INCHES NOMINAL IN; Overall Width: 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION; Style Designator: DISC W/FLANGE. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com