PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27803Switch,thermostatic

Therm-O-Disc Incorporated · NSN 5930-00-789-7178 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-789-7178 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-789-7178. Primary manufacturer part number: 27803.
Features
  • Switch,thermostatic — FSC 5930
  • 2 verified cross-references
  • Primary manufacturer: Therm-O-Disc Incorporated
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-789-7178, 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. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSwitch,thermostatic
FSC / FSG5930 — No Item Name Available (FSG 59)
ManufacturersTherm-O-Disc Incorporated (CAGE 81439); Triumph Thermal Systems - Maryland, Inc. (CAGE 01359)
Technical Specifications
ParameterValue
NSN5930-00-789-7178
Primary Part Number27803
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerTherm-O-Disc Incorporated
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2940-00-364-401727803 INTERCHANGEABLE
Driver,element
Arvinmeritor Inc
5360-00-664-389721978H INTERCHANGEABLE
Spring,helical,compression
Kalmar AC Inc
5950-00-679-9494 INTERCHANGEABLE
Transformer,audio Frequency
5330-00-898-207527803 INTERCHANGEABLE
Gasket
Briggs and Stratton Corp
5950-00-929-2747 INTERCHANGEABLE
Coil,radio Frequency
5905-01-177-9467 INTERCHANGEABLE
Resistor,fixed,film
6632-01-504-633127803 INTERCHANGEABLE
Analyzer,clinical Chemistry
Nova Biomedical Corp
5310-01-547-7425119-1551 INTERCHANGEABLE
Washer Blank
Caterpillar Inc Div Caterpillar Defense
6515-01-641-077027803 INTERCHANGEABLE
Applicator
Djo Llc
Cross-Reference Index
Part NumberManufacturer
27803 Therm-O-Disc Incorporated (USA)
201537 Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
2940-00-364-4017INTERCHANGEABLE
DRIVER,ELEMENT
27803
5360-00-664-3897INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21978H
5950-00-679-9494INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5330-00-898-2075INTERCHANGEABLE
GASKET
27803
5950-00-929-2747INTERCHANGEABLE
COIL,RADIO FREQUENCY
5905-01-177-9467INTERCHANGEABLE
RESISTOR,FIXED,FILM
6632-01-504-6331INTERCHANGEABLE
ANALYZER,CLINICAL CHEMISTRY
27803
5310-01-547-7425INTERCHANGEABLE
WASHER BLANK
119-1551
6515-01-641-0770INTERCHANGEABLE
APPLICATOR
27803

Frequently Asked Questions

What is NSN 5930-00-789-7178?

NSN 5930-00-789-7178 is a Switch,thermostatic, manufactured by Therm-O-Disc Incorporated, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-789-7178?

NSN 5930-00-789-7178 has 2 cross-referenced part numbers: 27803 (Therm-O-Disc Incorporated), 201537 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 5930-00-789-7178?

There are 9 known substitutes for 5930-00-789-7178: 2940-00-364-4017, 5360-00-664-3897, 5950-00-679-9494 and 6 more. Verify interchangeability with system specifications before substitution.

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