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Technical Data Sheet
PartsTable / MRO / 556002
556002 ✓ 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 CORE ASSEMBLY,HEAT EXCHANGER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CONTACT, body_style: CLIP CONNECTED TYPE, overall_width: 1.812 INCHES NOMINAL IN, base_thickness: 0.250 INCHES NOMINAL IN, overall_height: 1.000 INCHES NOMINAL IN, overall_length: 2.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-01-051-2861, 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→ 556002
NSN: 4920-01-051-2861
FSC: 4920
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY CONTACT
body_styleCLIP CONNECTED TYPE
overall_width1.812 INCHES NOMINAL IN
base_thickness0.250 INCHES NOMINAL IN
overall_height1.000 INCHES NOMINAL IN
overall_length2.750 INCHES NOMINAL IN
special_featuresINCLUDES A BRACKET; FLAPPER; PIN; RIVET; STOP; ARM; RETAINER RING; RIVET
voltage_in_volts250.0
precious_materialSILVER
surface_treatmentSILVER CONTACT
mounting_hole_styleIN-LINE ALONG THE WIDTH
mounting_hole_diameter0.147 INCHES NOMINAL IN
NSN4920-01-051-2861
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CORE ASSEMBLY,HEAT EXCHANGER TITLE COMPONENT PN 556002 MFR CORE ASSEMBLY,HEAT EXC
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION4920003275238
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
A55-6002 ITEM 2Interchangeable
interchangeable cross-reference
interchangeable
A55-6002Interchangeable
interchangeable cross-reference
interchangeable
55-6002Interchangeable
interchangeable cross-reference
interchangeable
FH25BMInterchangeable
interchangeable cross-reference
interchangeable
129-513196-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 556002?
556002 is a CORE ASSEMBLY,HEAT EXCHANGER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 556002?
There are 5 known substitutes for 556002: A55-6002 ITEM 2, A55-6002, 55-6002 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 556002?
556002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-01-051-2861. 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