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Technical Data Sheet
881973-844401 ✓ 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 bulb_length: 4.438 INCHES NOMINAL IN, bulb_diameter: 0.375 INCHES NOMINAL IN, overall_width: 1.656 INCHES NOMINAL IN, overall_height: 1.390 INCHES NOMINAL IN, overall_length: 2.875 INCHES NOMINAL IN, mounting_method: BRACKET(S) AND THREADED HOLE(S). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-257-2071, 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
881973-844401
NSN: 5930-01-257-2071
FSC: 5930
CAGE: 0S1N8 — VULCAN HART CORP (USA)
SPECIFICATIONS
bulb_length4.438 INCHES NOMINAL IN
bulb_diameter0.375 INCHES NOMINAL IN
overall_width1.656 INCHES NOMINAL IN
overall_height1.390 INCHES NOMINAL IN
overall_length2.875 INCHES NOMINAL IN
mounting_methodBRACKET(S) AND THREADED HOLE(S)
capillary_tube_length35.0 INCHES MINIMUM AND 37.0 INCHES MAXIMUM IN
temp_sensing_element_typeCAPILLARY TUBE-BULB
distance_between_mounting_facility_centers1.312 INCHES NOMINAL IN
NSN5930-01-257-2071
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 881973-844401 MFR SWITCH,THERMOSTATIC
KEY FEATURES
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
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT1.390 INCHES NOMINAL IN
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
OVERALL WIDTH1.656 INCHES NOMINAL IN
OVERALL LENGTH2.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
91261Interchangeable
interchangeable cross-reference
interchangeable
LC91261Interchangeable
interchangeable cross-reference
interchangeable
91261-001Interchangeable
interchangeable cross-reference
interchangeable
700-013Interchangeable
interchangeable cross-reference
interchangeable
98-6186Interchangeable
interchangeable cross-reference
interchangeable
975048Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 881973-844401?
881973-844401 is a SWITCH,THERMOSTATIC.
What parts can replace 881973-844401?
There are 8 known substitutes for 881973-844401: 91261, LC91261, 91261-001 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 881973-844401?
881973-844401 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-257-2071. This indicates validated use in U.S. government and defense supply chains.
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