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1TD719 ✓ 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 HUB AND BACK PLATE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY TUBES, core_width: 11.750 INCHES NOMINAL IN, core_height: 19.063 INCHES NOMINAL IN, core_length: 7.500 INCHES NOMINAL IN, tube_quantity: 197, tube_attachment_method: BRAZED BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-01-104-3482, 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
1TD719
NSN: 2520-01-104-3482
FSC: 2520
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY TUBES
core_width11.750 INCHES NOMINAL IN
core_height19.063 INCHES NOMINAL IN
core_length7.500 INCHES NOMINAL IN
tube_quantity197
tube_attachment_methodBRAZED BOTH ENDS
effective_heat_transfer_surface_area93.1 SQUARE FEET
material_document_and_classificationMIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE TUBES
NSN2520-01-104-3482
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HUB AND BACK PLATE TITLE COMPONENT PN 1TD719 MFR HUB AND BACK PLATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
BN0-1695Interchangeable
interchangeable cross-reference
interchangeable
850782Interchangeable
interchangeable cross-reference
interchangeable
12203Interchangeable
interchangeable cross-reference
interchangeable
A4891Interchangeable
interchangeable cross-reference
interchangeable
HE1125-303Interchangeable
interchangeable cross-reference
interchangeable
MILC15730TYPEBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1TD719?
1TD719 is a HUB AND BACK PLATE.
What parts can replace 1TD719?
There are 20 known substitutes for 1TD719: BN0-1695, 850782, 12203 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1TD719?
1TD719 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-01-104-3482. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026