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1NB412 — FAN,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1NB412: FAN,CENTRIFUGAL.

The FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 8.906 INCHES NOMINAL IN, height: 6.797 INCHES NOMINAL IN, length: 6.469 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: DIRECT, style_designator: FIXED, RECTANGULAR OUTLETS. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-077-3981, 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
1NB412
NSN: 4140-01-077-3981
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 03522 — ZERO CORP MCLEAN ENGINEERING DIV (USA)
SPECIFICATIONS
width8.906 INCHES NOMINAL IN
height6.797 INCHES NOMINAL IN
length6.469 INCHES NOMINAL IN
materialSTEEL OVERALL
drive_typeDIRECT
style_designatorFIXED, RECTANGULAR OUTLETS
outlet_inside_height2.594 INCHES NOMINAL IN
rotation_direction_for_which_designedCOUNTERCLOCKWISE
static_pressure_at_specified_air_flow_rateERR-060
NSN4140-01-077-3981
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAN,CENTRIFUGAL TITLE COMPONENT PN 1NB412 MFR FAN,CENTRIFUGAL
KEY FEATURES
•
OUTLET INSIDE HEIGHT: 2.594 INCHES NOMINAL IN
•
LENGTH: 6.469 INCHES NOMINAL IN
•
DRIVE TYPE: DIRECT
•
STYLE DESIGNATOR: FIXED, RECTANGULAR OUTLETS
•
HEIGHT: 6.797 INCHES NOMINAL IN
•
WIDTH: 8.906 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
ROTATION DIRECTION FOR WHICH DESIGNED: COUNTERCLOCKWISE
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
OUTLET INSIDE HEIGHT2.594 INCHES NOMINAL IN
LENGTH6.469 INCHES NOMINAL IN
DRIVE TYPEDIRECT
STYLE DESIGNATORFIXED, RECTANGULAR OUTLETS
HEIGHT6.797 INCHES NOMINAL IN
WIDTH8.906 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
ROTATION DIRECTION FOR WHICH DESIGNEDCOUNTERCLOCKWISE
STATIC PRESSURE AT SPECIFIED AIR FLOW RATEERR-060
OTHER ITEMS IN FSC 4140 — Fans, Air Circulators, and Blower Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4140-00-000-0082 4140-00-001-1517 4140-00-001-1536 4140-00-001-1537 4140-00-001-3930 4140-00-001-6464 4140-00-001-6874 4140-00-001-6875
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1NB412?
1NB412 is a FAN,CENTRIFUGAL.
What is the NSN for 1NB412?
1NB412 is cataloged in the U.S. Government catalog under NSN 4140-01-077-3981. 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.