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Technical Data Sheet
PartsTable / COMPONENT / 9978000
9978000 ✓ 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 CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thickness: 0.072 INCHES NOMINAL IN, hole_diameter: 0.630 INCHES NOMINAL IN, overall_diameter: 0.875 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1420-00-859-2557, 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
9978000
NSN: 1420-00-859-2557
FSC: 1420
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.072 INCHES NOMINAL IN
hole_diameter0.630 INCHES NOMINAL IN
overall_diameter0.875 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationLCU
cross-sectional_shape_styleRECTANGULAR
NSN1420-00-859-2557
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT CARD ASSEMBLY TITLE COMPONENT PN 9978000 MFR CIRCUIT CARD ASSEMBLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
52680Interchangeable
interchangeable cross-reference
interchangeable
56680Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9978000?
9978000 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 9978000?
There are 2 known substitutes for 9978000: 52680, 56680. Substitute compatibility should be verified for your specific system.
What is the NSN for 9978000?
9978000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1420-00-859-2557. 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