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Technical Data Sheet
PartsTable / MRO / H678-3731-A1
H678-3731-A1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
RJ45 = copper (needs CAT6) | SFP+ = fiber (needs transceiver) FLR = FlexibleLOM (HPE integrated) — NOT standard PCIe
Bracket height MUST match chassis — Full Height (2U) vs Low Profile (1U)
PRODUCT OVERVIEW

The H678-3731-A1 is a the manufacturer industrial component. Key specifications include end_item_identification: PROCESSOR, ENGINE ROOM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-515-5347, 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→ H678-3731-A1
NSN: 7025-01-515-5347
FSC: 7025
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
end_item_identificationPROCESSOR, ENGINE ROOM
NSN7025-01-515-5347
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN H678-3731-A1 MFR OEM H678-3731-A1
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONPROCESSOR, ENGINE ROOM
END ITEM IDENTIFICATIONPROCESSOR, ENGINE ROOM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
481-7067793-A2Interchangeable
interchangeable cross-reference
interchangeable
H678-3731-A2Interchangeable
interchangeable cross-reference
interchangeable
481-7067793Interchangeable
interchangeable cross-reference
interchangeable
EVNPS05-0006-FFInterchangeable
interchangeable cross-reference
interchangeable
481-7067793-839Interchangeable
interchangeable cross-reference
interchangeable
CCPT06Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H678-3731-A1?
H678-3731-A1 is a H678-3731-A1. It is classified as a MRO (MRO_GENERAL).
What parts can replace H678-3731-A1?
There are 9 known substitutes for H678-3731-A1: 481-7067793-A2, H678-3731-A2, 481-7067793 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H678-3731-A1?
H678-3731-A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-515-5347. 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