PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-25Switch,thermostatic

Sensata Technologies, Inc. Div Sensata Attleboro · NSN 5930-00-259-7971 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-259-7971 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-259-7971. Primary manufacturer part number: B-25.
Features
  • Switch,thermostatic — FSC 5930
  • Mounting Slot Width: 0.188 INCHES NOMINAL IN
  • Mounting Method: FLANGE AND SLOT
  • Contact Load Current Rating: 14.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SINGLE VOLTAGE
  • Style Designator: DISC W/FLANGE
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Media for Which Designed: GAS OR LIQUID
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-259-7971, 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 16 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-259-7971
Primary Part NumberB-25
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSensata Technologies, Inc. Div Sensata Attleboro
StatusACTIVE
Mounting Slot Width0.188 INCHES NOMINAL IN
Mounting MethodFLANGE AND SLOT
Contact Load Current Rating14.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL SINGLE VOLTAGE
Style DesignatorDISC W/FLANGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Media for Which DesignedGAS OR LIQUID
Contact Stimulus Rating105.00 ACTUATION POINT NOMINAL DEGREES CELSIUS AND 100.00 DEACTUATION POINT NOMINAL DEGREES CELSIUS AND 5.00 DIFFERENTIAL POINT NOMINAL DEGREES CELSIUS
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Contact Action StimulusINCREASE
Distance Between Mounting Facility Centers1.366 INCHES NOMINAL IN
Temp Sensing Element TypeINTERNAL SENSOR
Terminal TypeTAB, SOLDER LUG
Body Height0.469 INCHES NOMINAL IN
Body Diameter1.188 INCHES NOMINAL IN
Mounting Facility PatternTWO POSITION IN-LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-100-8545 INTERCHANGEABLE
Bearing,ball,thrust
5910-00-195-0057 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
6680-00-394-7338B-25 INTERCHANGEABLE
Extension Rod
Schulze Mfg., Inc.
5120-00-568-4742 INTERCHANGEABLE
Screwdriver,torque
5925-00-644-5546B25.0 INTERCHANGEABLE
Thermal Release,circuit Breaker
Schneider Electric Usa, Inc.
5120-00-912-5452B-25 INTERCHANGEABLE
Screwdriver,flat Tip
Ngk Metals Corporation Dba N G K Berylco
6660-00-936-8007B25 INTERCHANGEABLE
Blower Assembly
Bud Industries Inc
3455-00-953-1273 INTERCHANGEABLE
File,rotary
5331-01-345-0052 INTERCHANGEABLE
O-Ring
7930-01-381-3477 INTERCHANGEABLE
Cleaning Compound,rug and Uphols
Cross-Reference Index
Part NumberManufacturer
B-25 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
878083 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
Related Parts
3110-00-100-8545INTERCHANGEABLE
BEARING,BALL,THRUST
5910-00-195-0057INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
6680-00-394-7338INTERCHANGEABLE
EXTENSION ROD
B-25
5120-00-568-4742INTERCHANGEABLE
SCREWDRIVER,TORQUE
5925-00-644-5546INTERCHANGEABLE
THERMAL RELEASE,CIRCUIT BREAKER
B25.0
5120-00-912-5452INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
B-25
6660-00-936-8007INTERCHANGEABLE
BLOWER ASSEMBLY
B25
3455-00-953-1273INTERCHANGEABLE
FILE,ROTARY
5331-01-345-0052INTERCHANGEABLE
O-RING
7930-01-381-3477INTERCHANGEABLE
CLEANING COMPOUND,RUG AND UPHOLS
4820-01-420-3999INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
9100146

Frequently Asked Questions

What is NSN 5930-00-259-7971?

NSN 5930-00-259-7971 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 5930-00-259-7971?

NSN 5930-00-259-7971 has 2 cross-referenced part numbers: B-25 (Sensata Technologies, Inc. Div Sensata Attleboro), 878083 (L3 Aviation Products, Inc. Dba L3 Technologies).

What NSN replaces 5930-00-259-7971?

There are 11 known substitutes for 5930-00-259-7971: 3110-00-100-8545, 5910-00-195-0057, 6680-00-394-7338 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-25?

Key specifications for B-25: Mounting Slot Width: 0.188 INCHES NOMINAL IN; Overall Height: 0.829 INCHES NOMINAL IN; Mounting Method: FLANGE AND SLOT; Contact Load Current Rating: 14.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE. 18 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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