PartsTable
Technical Data Sheet
1668N04 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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 bulb_length: 15.500 INCHES NOMINAL IN, bulb_diameter: 0.219 INCHES NOMINAL IN, terminal_type: TAB W/SCREW, mounting_method: FLANGE, capillary_tube_length: 185.000 INCHES NOMINAL IN, contact_adjustability: ACTUATION POINT ADJUSTABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-253-5324, 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
MRO MRO_GENERAL 1668N04
NSN: 5930-00-253-5324
FSC: 5930
CAGE: 65289 — EMERSON ELECTRIC CO WHITE RODGERS CO DIV (USA)
SPECIFICATIONS
bulb_length15.500 INCHES NOMINAL IN
bulb_diameter0.219 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
mounting_methodFLANGE
capillary_tube_length185.000 INCHES NOMINAL IN
contact_adjustabilityACTUATION POINT ADJUSTABLE
contact_action_stimulusINCREASE
contact_adjustment_range-20.00 TO 50.00 ACTUATION POINT DEGREES FAHRENHEIT
media_for_which_designedGAS OR LIQUID
temp_sensing_element_typeCAPILLARY TUBE-BULB
contact_load_current_rating13.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
nonpile-up_contact_arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
NSN5930-00-253-5324
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 1668N04 MFR SWITCH,THERMOSTATIC
KEY FEATURES
CONTACT ADJUSTMENT RANGE: -20.00 TO 50.00 ACTUATION POINT DEGREES FAHRENHEIT
CONTACT VOLTAGE RATING IN VOLTS: 115.0 AC AT SEA LEVEL SECOND VOLTAGE
MEDIA FOR WHICH DESIGNED: GAS OR LIQUID
CONTACT LOAD CURRENT RATING: 13.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: DRIPPROOF
BULB LENGTH: 15.500 INCHES NOMINAL IN
CONTACT ADJUSTABILITY: ACTUATION POINT ADJUSTABLE
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ADJUSTMENT RANGE-20.00 TO 50.00 ACTUATION POINT DEGREES FAHRENHEIT
CONTACT VOLTAGE RATING IN VOLTS115.0 AC AT SEA LEVEL SECOND VOLTAGE
CONTACT VOLTAGE RATING IN VOLTS230.0 AC AT SEA LEVEL FIRST VOLTAGE
MEDIA FOR WHICH DESIGNEDGAS OR LIQUID
CONTACT LOAD CURRENT RATING13.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONDRIPPROOF
BULB LENGTH15.500 INCHES NOMINAL IN
CONTACT ADJUSTABILITYACTUATION POINT ADJUSTABLE
CONTACT ACTION STIMULUSINCREASE
CONTACT LOAD CURRENT RATING6.5 AMPERES RESISTIVE LOAD FIRST VOLTAGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
B19813NInterchangeable
interchangeable cross-reference
interchangeable
ST954Interchangeable
interchangeable cross-reference
interchangeable
304666C91Interchangeable
interchangeable cross-reference
interchangeable
160931Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1668N04?
1668N04 is a SWITCH,THERMOSTATIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1668N04?
There are 4 known substitutes for 1668N04: B19813N, ST954, 304666C91 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1668N04?
1668N04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-253-5324. This indicates validated use in U.S. government and defense supply chains.
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