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Technical Data Sheet
PartsTable / NETWORK / 1958534
1958534 ✓ Verified by PartsTable
— · NETWORK · 10GBE_NIC
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 CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, corner_shape: SQUARE ALL CORNERS, overall_length: 0.500 INCHES NOMINAL IN, body_inside_diameter: 3.531 INCHES NOMINAL IN, body_outside_diameter: 4.500 INCHES NOMINAL IN, end_item_identification: CP-2181A/SPS-48E(V) A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-398-9808, 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
NETWORK→ 10GBE_NIC→ 1958534
NSN: 5998-01-398-9808
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
corner_shapeSQUARE ALL CORNERS
overall_length0.500 INCHES NOMINAL IN
body_inside_diameter3.531 INCHES NOMINAL IN
body_outside_diameter4.500 INCHES NOMINAL IN
end_item_identificationCP-2181A/SPS-48E(V) A
left_side_flange_thickness0.250 INCHES NOMINAL IN
largest_external_anchor_flange_radius2.562 INCHES NOMINAL IN
smallest_external_anchor_flange_radius2.468 INCHES NOMINAL IN
NSN5998-01-398-9808
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 1958534 MFR OEM CIRCUIT CARD ASSEMBLY
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONCP-2181A/SPS-48E(V) A
END ITEM IDENTIFICATIONCP-2181A/SPS-48E(V) A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
10704Interchangeable
interchangeable cross-reference
interchangeable
387803-00Interchangeable
interchangeable cross-reference
interchangeable
387803PHInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1958534?
1958534 is a CIRCUIT CARD ASSEMBLY. It is classified as a NETWORK (10GBE_NIC).
What parts can replace 1958534?
There are 3 known substitutes for 1958534: 10704, 387803-00, 387803PH. Substitute compatibility should be verified for your specific system.
What is the NSN for 1958534?
1958534 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-398-9808. 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