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203379 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

203379: IMPELLER,FAN,CENTRIFUGAL.

The IMPELLER,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include material: COBALT ALLOY, overall_length: 2.812 INCHES NOMINAL IN, largest_outside_diameter: 0.627 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-397-6771, 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
203379
NSN: 4820-00-397-6771
NIINs: 003976771, 014840649
FSC: 4820 — Valves, Nonpowered
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialCOBALT ALLOY
overall_length2.812 INCHES NOMINAL IN
largest_outside_diameter0.627 INCHES NOMINAL IN
NSN4820-00-397-6771
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 203379 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LARGEST OUTSIDE DIAMETER: 0.627 INCHES NOMINAL IN
•
MATERIAL: COBALT ALLOY
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER0.627 INCHES NOMINAL IN
OVERALL LENGTH2.812 INCHES NOMINAL IN
MATERIALCOBALT ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
5238170Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 203379?
203379 is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace 203379?
There is 1 known substitute for 203379: 5238170. Substitute compatibility should be verified for your specific system.
What is the NSN for 203379?
203379 is cataloged in the U.S. Government catalog under NSN 4820-00-397-6771. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.