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Technical Data Sheet
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21831 ✓ Verified by PartsTable
Lindy · 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 Lindy industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.5000 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: BUS BAR 3,CAPACITOR 11,CONNECTOR 1,MICROCIRCUIT 17,PRINTED WIRING BOARD 1,RESISTOR 2,TERMINAL 8. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-074-2469, 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→ 21831
NSN: 5998-01-074-2469
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 23094 — OCEAN TECHNOLOGY INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.5000 INCHES NOMINAL IN
overall_width0.5000 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
special_featuresBUS BAR 3,CAPACITOR 11,CONNECTOR 1,MICROCIRCUIT 17,PRINTED WIRING BOARD 1,RESISTOR 2,TERMINAL 8
style_designatorNON-SEPARABLE, CLOSED END, DRAWN SHELL
overall_outside_diameter0.6875 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN5998-01-074-2469
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 21831 MFR Lindy CIRCUIT CARD ASSEMBLY
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBUS BAR 3,CAPACITOR 11,CONNECTOR 1,MICROCIRCUIT 17,PRINTED WIRING BOARD 1,RESISTOR 2,TERMINAL 8
SPECIAL FEATURESBUS BAR 3,CAPACITOR 11,CONNECTOR 1,MICROCIRCUIT 17,PRINTED WIRING BOARD 1,RESISTOR 2,TERMINAL 8
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
962830Interchangeable
interchangeable cross-reference
interchangeable
90-1086Interchangeable
interchangeable cross-reference
interchangeable
21831Interchangeable
interchangeable cross-reference
interchangeable
PM21831Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21831?
21831 is a CIRCUIT CARD ASSEMBLY manufactured by Lindy. It is classified as a NETWORK (10GBE_NIC).
What parts can replace 21831?
There are 4 known substitutes for 21831: 962830, 90-1086, 21831 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21831?
21831 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-074-2469. 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