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Technical Data Sheet
PartsTable / COMPONENT / PST20
PST20 ✓ 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 Integrated 4-Port Ethernet Card. Key specifications include length: 6.750 INCHES NOMINAL IN, diameter: 2.750 INCHES NOMINAL IN, material: ALUMINUM ALLOY, mesh_size: 64.0, head_style: DISH, oil_groove: INCLUDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-167-9947, 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
PST20
NSN: 4310-00-167-9947
FSC: 4310
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
length6.750 INCHES NOMINAL IN
diameter2.750 INCHES NOMINAL IN
materialALUMINUM ALLOY
mesh_size64.0
head_styleDISH
oil_grooveINCLUDED
skirt_typeSOLID
overall_height2.750 INCHES NOMINAL IN
surface_finishFINISHED
oil_passage_typeSLOT
pin_hole_bushingNOT INCLUDED
pinhole_diameter0.875 INCHES NOMINAL IN
NSN4310-00-167-9947
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 4-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN PST20 MFR OEM IBM Integrated 4-Port Ethernet Card
KEY FEATURES
•
RING GROOVE WIDTH: 0.187 INCHES NOMINAL IN
•
RING: NOT INCLUDED
•
SKIRT BOTTOM CUTAWAY FEATURE: NOT INCLUDED
•
RING GROOVE QUANTITY: 4
•
SKIRT TYPE: SOLID
•
DISTANCE BETWEEN PIN BOSSES: 1.125 INCHES NOMINAL IN
•
PIN HOLE BUSHING: NOT INCLUDED
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)
RING GROOVE WIDTH0.187 INCHES NOMINAL IN
RINGNOT INCLUDED
OVERALL HEIGHT3.219 INCHES NOMINAL IN
SKIRT BOTTOM CUTAWAY FEATURENOT INCLUDED
RING GROOVE QUANTITY4
SKIRT TYPESOLID
DISTANCE BETWEEN PIN BOSSES1.125 INCHES NOMINAL IN
PIN HOLE BUSHINGNOT INCLUDED
RETAINING RING GROOVEINCLUDED
PININCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
D831-5Interchangeable
interchangeable cross-reference
interchangeable
PST20Interchangeable
interchangeable cross-reference
interchangeable
D4330-1937Interchangeable
interchangeable cross-reference
interchangeable
PST00020Interchangeable
interchangeable cross-reference
interchangeable
4330-1937Interchangeable
interchangeable cross-reference
interchangeable
PST20AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PST20?
PST20 is a IBM Integrated 4-Port Ethernet Card.
What parts can replace PST20?
There are 12 known substitutes for PST20: D831-5, PST20, D4330-1937 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PST20?
PST20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-167-9947. 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