PartsTable
Technical Data Sheet
PartsTable / NETWORK / 103121
103121 ✓ 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: RUBBER SILICONE CLASS Q OVERALL, scale_name: FUEL, scale_type: DIAL, hole_diameter: 0.219 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 0.437 INCHES NOMINAL IN, overall_length: 5.000 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 5998-00-492-1459, 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→ 103121
NSN: 5998-00-492-1459
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 48313 — B.C. SYSTEMS INC. DBA BC SYSTEMS INC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
scale_nameFUEL
scale_typeDIAL
hole_diameter0.219 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width0.437 INCHES NOMINAL IN
overall_length5.000 INCHES NOMINAL IN
special_features12VDC;5/8" HOLE FOR LIGHT KIT;BLACK BEZEL;SMART GAGE. VDC
style_designatorNON-CIRCULAR
bolt_hole_quantity3
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
end_item_identificationSUPPORT EQUIPMENT E-3A AIRCRAFT;4130013816650, TRAILER MOUNTED COOLING SYSTEM CHARGING UNIT. A
cross-sectional_thickness0.020 INCHES NOMINAL IN
NSN5998-00-492-1459
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 103121 MFR OEM CIRCUIT CARD ASSEMBLY
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION5821-00-514-7856,GENERATOR,TONE
SPECIAL FEATURESCAPACITOR 3,INDUCTOR 9,OSCILLATOR 1,PRINTED WIRING BOARD 1,RESISTOR 5,SEMICONDUCTOR DEVICE DIODE 1
PART NAME ASSIGNED BY CONTROLLING AGENCYFSC APPLICATION DATA: RADIO AND TELEVISION COMMUNICATIONS EQUIPMENT,AIRBORNE
END ITEM IDENTIFICATION5821-00-514-7856,GENERATOR,TONE
SPECIAL FEATURESCAPACITOR 3,INDUCTOR 9,OSCILLATOR 1,PRINTED WIRING BOARD 1,RESISTOR 5,SEMICONDUCTOR DEVICE DIODE 1
PART NAME ASSIGNED BY CONTROLLING AGENCYFSC APPLICATION DATA: RADIO AND TELEVISION COMMUNICATIONS EQUIPMENT,AIRBORNE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40-8520Interchangeable
interchangeable cross-reference
interchangeable
8520Interchangeable
interchangeable cross-reference
interchangeable
41818-64Interchangeable
interchangeable cross-reference
interchangeable
376MAA1Interchangeable
interchangeable cross-reference
interchangeable
0614Interchangeable
interchangeable cross-reference
interchangeable
130120Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 103121?
103121 is a CIRCUIT CARD ASSEMBLY. It is classified as a NETWORK (10GBE_NIC).
What parts can replace 103121?
There are 8 known substitutes for 103121: 40-8520, 8520, 41818-64 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 103121?
103121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-492-1459. 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