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Technical Data Sheet
1853741 ✓ Verified by PartsTable
· NETWORK · FC_HBA
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

IBM 4Gb Fibre Channel 2-port PCI Express Adapter. Key specifications include body_width: 2.062 INCHES NOMINAL IN, body_height: 3.125 INCHES NOMINAL IN, body_length: 2.312 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_height: 3.844 INCHES NOMINAL IN, mounting_method: THREADED STUD(S) SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-764-2976, 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 FC_HBA 1853741
NSN: 5950-00-764-2976
FSC: 5950
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
body_width2.062 INCHES NOMINAL IN
body_height3.125 INCHES NOMINAL IN
body_length2.312 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height3.844 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current200.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
NSN5950-00-764-2976
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 1853741 MFR OEM IBM 4Gb Fibre Channel 2-port PCI Express
KEY FEATURES
4GB Capacity
RELIABILITY INDICATOR: NOT ESTABLISHED
TERMINAL TYPE AND QUANTITY: 8 SOLDER STUD
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
WINDING OPERATING CURRENT: 200.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
FREQUENCY RATING: 60.0 HERTZ NOMINAL SINGLE COMPONENT
TYPICAL APPLICATIONS
  • Data center top-of-rack switching
  • High-speed server interconnects (10G/25G/40G/100G)
  • Storage network fabric (iSCSI, FCoE)
  • Campus and branch network infrastructure
  • Firewall and security appliance connectivity
  • WAN edge and SD-WAN deployments
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
OVERALL HEIGHT3.844 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY8 SOLDER STUD
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
WINDING OPERATING CURRENT200.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
FREQUENCY RATING60.0 HERTZ NOMINAL SINGLE COMPONENT
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
BODY WIDTH2.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5774Interchangeable
IBM 4Gb Fibre Channel 2-port PCI Express Adapter
interchangeable
ME100Interchangeable
interchangeable cross-reference
interchangeable
2820Interchangeable
interchangeable cross-reference
interchangeable
726982Interchangeable
interchangeable cross-reference
interchangeable
10423195Interchangeable
interchangeable cross-reference
interchangeable
SP-126-PInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1853741?
1853741 is a IBM 4Gb Fibre Channel 2-port PCI Express Adapter. It is classified as a NETWORK (FC_HBA).
What parts can replace 1853741?
There are 6 known substitutes for 1853741: 5774, ME100, 2820 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1853741?
1853741 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-764-2976. This indicates validated use in U.S. government and defense supply chains.
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