PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BC3Switch,thermostatic

Therm-O-Disc Incorporated · NSN 5930-00-908-7330 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-908-7330 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-908-7330. Primary manufacturer part number: BC3.
Features
  • Switch,thermostatic — FSC 5930
  • Media for Which Designed: GAS OR LIQUID
  • Mounting Method: FLANGE
  • Contact Stimulus Rating: 30.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Action Stimulus: INCREASE
  • Contact Voltage Rating in Volts: 240.0 AC AT SEA LEVEL SINGLE VOLTAGE
  • Terminal Type: TAB W/SCREW
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-908-7330, 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 Therm-O-Disc Incorporated. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-908-7330
Primary Part NumberBC3
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerTherm-O-Disc Incorporated
StatusCANCELLED
Media for Which DesignedGAS OR LIQUID
Mounting MethodFLANGE
Contact Stimulus Rating30.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Action StimulusINCREASE
Contact Voltage Rating in Volts240.0 AC AT SEA LEVEL SINGLE VOLTAGE
Terminal TypeTAB W/SCREW
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED
Body Diameter1.703 INCHES NOMINAL IN
Longest Horizontal Distance Between Mounting Centers2.359 INCHES NOMINAL IN
Style DesignatorDISC W/FLANGE
Body Height0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5999-00-203-5573539603-2 INTERCHANGEABLE
Contact,electrical
Raytheon Company Dba Raytheon
6135-00-635-8401 INTERCHANGEABLE
Bias Cell
3010-00-725-8019 INTERCHANGEABLE
Universal Joint,nonvehicular
5110-01-068-5253 INTERCHANGEABLE
Cutter,cable,hand Operated
3411-01-074-6634BC-3 INTERCHANGEABLE
Chuck,bearing
Bearing Inspection, Inc. Dba Bearing Inspection Inc
6130-01-141-1313 INTERCHANGEABLE
Charger,battery
2520-01-168-1678BC-3 INTERCHANGEABLE
Universal Joint,vehicular
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
9007527 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
G266188 Lucent Technologies Inc Advanced Technology Systems (USA)
G266188 Therm-O-Disc Incorporated (USA)
G266188 American Telephone and Telegraph Co (USA)
BC3 PRIMARY Therm-O-Disc Incorporated (USA)
Related Parts
5999-00-203-5573INTERCHANGEABLE
CONTACT,ELECTRICAL
539603-2
6135-00-635-8401INTERCHANGEABLE
BIAS CELL
3010-00-725-8019INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
5110-01-068-5253INTERCHANGEABLE
CUTTER,CABLE,HAND OPERATED
3411-01-074-6634INTERCHANGEABLE
CHUCK,BEARING
BC-3
6130-01-141-1313INTERCHANGEABLE
CHARGER,BATTERY
2520-01-168-1678INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
BC-3

Frequently Asked Questions

What is NSN 5930-00-908-7330?

NSN 5930-00-908-7330 is a Switch,thermostatic, manufactured by Therm-O-Disc Incorporated, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-908-7330?

NSN 5930-00-908-7330 has 5 cross-referenced part numbers: 9007527 (U S Army Tank Automotive Command Amsta-Im-Mm), G266188 (Lucent Technologies Inc Advanced Technology Systems), G266188 (Therm-O-Disc Incorporated), G266188 (American Telephone and Telegraph Co), BC3 (Therm-O-Disc Incorporated).

What NSN replaces 5930-00-908-7330?

There are 7 known substitutes for 5930-00-908-7330: 5999-00-203-5573, 6135-00-635-8401, 3010-00-725-8019 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BC3?

Key specifications for BC3: Overall Length: 2.750 INCHES NOMINAL IN; Media for Which Designed: GAS OR LIQUID; Mounting Method: FLANGE; Contact Stimulus Rating: 30.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-908-7330 still in active supply?

NSN 5930-00-908-7330 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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