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Technical Data Sheet
TBT40 ✓ 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

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include material: COPPER ALLOY BODY, mesh_size: 40.0, body_length: 7.875 INCHES NOMINAL IN, mounting_type: INLET CONNECTION AND OUTLET CONNECTION LINE, wire_diameter: 0.010 INCHES NOMINAL IN, style_designator: Y STRAINER W/THREADED COVER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-243-5670, 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
TBT40
NSN: 4520-00-243-5670
FSC: 4520
CAGE: 65586 — CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
mesh_size40.0
body_length7.875 INCHES NOMINAL IN
mounting_typeINLET CONNECTION AND OUTLET CONNECTION LINE
wire_diameter0.010 INCHES NOMINAL IN
style_designatorY STRAINER W/THREADED COVER
filtering_media_designMESH SINGLE FILTERING MEDIA RESPONSE
media_for_which_designedWATER
first_intake_connection_typeSOCKET WELDING LINE
first_intake_nominal_inside_diameter2.000 INCHES IN
distance_from_bottom_of_body_to_center_of_inlet5.688 INCHES NOMINAL IN
first_discharge_connection_relationship_to_intake_connectionIDENTICAL TO FIRST INTAKE CONNECTION
NSN4520-00-243-5670
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATING ELEMENT,ELECTRICAL,NONIM TITLE COMPONENT PN TBT40 MFR HEATING ELEMENT,ELECTR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
BT40Interchangeable
interchangeable cross-reference
interchangeable
31B4-107Interchangeable
interchangeable cross-reference
interchangeable
TYPEBT40MESHInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TBT40?
TBT40 is a HEATING ELEMENT,ELECTRICAL,NONIM.
What parts can replace TBT40?
There are 3 known substitutes for TBT40: BT40, 31B4-107, TYPEBT40MESH. Substitute compatibility should be verified for your specific system.
What is the NSN for TBT40?
TBT40 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-243-5670. This indicates validated use in U.S. government and defense supply chains.
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