PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-TH05Switch,thermostatic

Middleby Canada Company Inc Div Crown Steam Group · NSN 5930-01-257-2071 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-257-2071 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-257-2071. Primary manufacturer part number: 4-TH05.
Features
  • Switch,thermostatic — FSC 5930
  • Bulb Diameter: 0.375 INCHES NOMINAL IN
  • Capillary Tube Length: 35.0 INCHES MINIMUM AND 37.0 INCHES MAXIMUM IN
  • Bulb Length: 4.438 INCHES NOMINAL IN
  • Distance Between Mounting Facility Centers: 1.312 INCHES NOMINAL IN
  • Mounting Method: BRACKET(S) AND THREADED HOLE(S)
  • Temp Sensing Element Type: CAPILLARY TUBE-BULB
  • 4 verified cross-references
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-01-257-2071, 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 Middleby Canada Company Inc Div Crown Steam Group. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-257-2071
Primary Part Number4-TH05
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerMiddleby Canada Company Inc Div Crown Steam Group
StatusACTIVE
Bulb Diameter0.375 INCHES NOMINAL IN
Capillary Tube Length35.0 INCHES MINIMUM AND 37.0 INCHES MAXIMUM IN
Bulb Length4.438 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.312 INCHES NOMINAL IN
Mounting MethodBRACKET(S) AND THREADED HOLE(S)
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6665-00-455-316791261 INTERCHANGEABLE
Cap,reagent Bottle
Mine Safety Appliances Company
2825-00-591-813991261-001 INTERCHANGEABLE
Packing Assembly,la
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5305-01-031-6620 INTERCHANGEABLE
Screw,machine
5930-01-045-7304 INTERCHANGEABLE
Switch,pressure
5940-01-722-770798-6186 INTERCHANGEABLE
Cover,terminal
Market Forge Industries Inc
Cross-Reference Index
Part NumberManufacturer
4-TH05 Middleby Canada Company Inc Div Crown Steam Group (CAN)
EA5-C129-36 Robertshaw Controls Co Executive Office (USA)
9126-1 Middleby Canada Company Inc Div Crown Steam Group (CAN)
881973-844401 Vulcan Hart Corp (USA)
Related Parts
6665-00-455-3167INTERCHANGEABLE
CAP,REAGENT BOTTLE
91261
2825-00-591-8139INTERCHANGEABLE
PACKING ASSEMBLY,LA
91261-001
5305-01-031-6620INTERCHANGEABLE
SCREW,MACHINE
5930-01-045-7304INTERCHANGEABLE
SWITCH,PRESSURE
5940-01-722-7707INTERCHANGEABLE
COVER,TERMINAL
98-6186

Frequently Asked Questions

What is NSN 5930-01-257-2071?

NSN 5930-01-257-2071 is a Switch,thermostatic, manufactured by Middleby Canada Company Inc Div Crown Steam Group, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-257-2071?

NSN 5930-01-257-2071 has 4 cross-referenced part numbers: 4-TH05 (Middleby Canada Company Inc Div Crown Steam Group), EA5-C129-36 (Robertshaw Controls Co Executive Office), 9126-1 (Middleby Canada Company Inc Div Crown Steam Group), 881973-844401 (Vulcan Hart Corp).

What NSN replaces 5930-01-257-2071?

There are 5 known substitutes for 5930-01-257-2071: 6665-00-455-3167, 2825-00-591-8139, 5305-01-031-6620 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-TH05?

Key specifications for 4-TH05: Overall Height: 1.390 INCHES NOMINAL IN; Bulb Diameter: 0.375 INCHES NOMINAL IN; Capillary Tube Length: 35.0 INCHES MINIMUM AND 37.0 INCHES MAXIMUM IN; Bulb Length: 4.438 INCHES NOMINAL IN. 9 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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