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PartsTable / COMPONENT / MS14303-1R20
MS14303-1R20 ✓ Verified by PartsTable
— · NIC ADAPTER
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 2-Port 1000 Base-TX Ethernet PCI-X Adpt. Key specifications include material: STEEL OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.750 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, surface_treatment: ZINC OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-263-5269, 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
MS14303-1R20
NSN: 4730-00-263-5269
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length1.750 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
surface_treatmentZINC OVERALL
operating_pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.250 INCHES ALL ENDS IN
end_item_identification2350011631437
thread_series_designatorNPT ALL ENDS
specification/standard_data96906-MS14303 GOVERNMENT STANDARD
nominal_pipe_size_accommodated0.500 INCHES ALL ENDS IN
NSN4730-00-263-5269
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 MS14303-1R20 MFR OEM IBM 2-Port 1000 Base-TX Ethernet PCI-X A
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
WT-5706WInterchangeable
interchangeable cross-reference
interchangeable
5706WTInterchangeable
interchangeable cross-reference
interchangeable
75109AInterchangeable
interchangeable cross-reference
interchangeable
454124Interchangeable
interchangeable cross-reference
interchangeable
BM11378-31Interchangeable
interchangeable cross-reference
interchangeable
5706 1-1/2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS14303-1R20?
MS14303-1R20 is a IBM 2-Port 1000 Base-TX Ethernet PCI-X Adpt.
What parts can replace MS14303-1R20?
There are 23 known substitutes for MS14303-1R20: WT-5706W, 5706WT, 75109A and 20 more. Substitute compatibility should be verified for your specific system.
Is MS14303-1R20 still available?
MS14303-1R20 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026