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Technical Data Sheet
401025 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_length: 1.656 INCHES MAXIMUM IN, bulb_length: 1.375 INCHES NOMINAL IN, thread_class: 2B ALL THREADED HOLE, bulb_diameter: 0.375 INCHES NOMINAL IN, overall_width: 2.800 INCHES NOMINAL IN, terminal_type: QUICK DISCONNECT, MALE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-163-2546, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
401025
NSN: 5930-00-163-2546
FSC: 5930
CAGE: 49742 — RANCO MANAGEMENT CORP (USA)
SPECIFICATIONS
body_length1.656 INCHES MAXIMUM IN
bulb_length1.375 INCHES NOMINAL IN
thread_class2B ALL THREADED HOLE
bulb_diameter0.375 INCHES NOMINAL IN
overall_width2.800 INCHES NOMINAL IN
terminal_typeQUICK DISCONNECT, MALE
overall_height1.750 INCHES MAXIMUM IN
overall_length6.400 INCHES NOMINAL IN
range_selectorPROVIDED
mounting_methodBRACKET(S) AND THREADED HOLE(S)
style_designatorRECTANGULAR
light_target_typeBUILT-IN
NSN5930-00-163-2546
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 401025 MFR SWITCH,THERMOSTATIC
KEY FEATURES
BULB LENGTH: 1.375 INCHES NOMINAL IN
CONTACT ADJUSTMENT TYPE: EXTERNAL DEACTUATION POINT DIAL AND EXTERNAL ACTUATION POINT DIAL
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE
CONTACT ADJUSTABILITY: DEACTUATION POINT ADJUSTABLE, PRESET AND ACTUATION POINT ADJUSTABLE, PRESET
CONTACT STIMULUS RATING: 20.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 10.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 2.187 INCHES NOMINAL IN
CONTACT ADJUSTMENT RANGE: +9.00 TO 49.00 ACTUATION POINT DEGREES FAHRENHEIT AND +9.00 TO 49.00 DEACTUATION POINT DEGREES FAHRENHEIT
STYLE DESIGNATOR: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
BULB LENGTH1.375 INCHES NOMINAL IN
CONTACT ADJUSTMENT TYPEEXTERNAL DEACTUATION POINT DIAL AND EXTERNAL ACTUATION POINT DIAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE
CONTACT ADJUSTABILITYDEACTUATION POINT ADJUSTABLE, PRESET AND ACTUATION POINT ADJUSTABLE, PRESET
CONTACT STIMULUS RATING20.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 10.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
DISTANCE BETWEEN MOUNTING FACILITY CENTERS2.187 INCHES NOMINAL IN
CONTACT ADJUSTMENT RANGE+9.00 TO 49.00 ACTUATION POINT DEGREES FAHRENHEIT AND +9.00 TO 49.00 DEACTUATION POINT DEGREES FAHRENHEIT
STYLE DESIGNATORRECTANGULAR
TEMP SENSING ELEMENT TYPECAPILLARY TUBE-BULB
CAPILLARY TUBE LENGTH45.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
9571Interchangeable
interchangeable cross-reference
interchangeable
398583Interchangeable
interchangeable cross-reference
interchangeable
666093-901Interchangeable
interchangeable cross-reference
interchangeable
SM-D-502401Interchangeable
interchangeable cross-reference
interchangeable
957-0001Interchangeable
interchangeable cross-reference
interchangeable
220220Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 401025?
401025 is a SWITCH,THERMOSTATIC.
What parts can replace 401025?
There are 14 known substitutes for 401025: 9571, 398583, 666093-901 and 11 more. Substitute compatibility should be verified for your specific system.
Is 401025 still available?
401025 is currently cancelled.
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