121-11805 — FAN,CIRCULATING

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

121-11805: FAN,CIRCULATING.

The FAN,CIRCULATING is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 0.980 INCHES NOMINAL IN, height: 3.150 INCHES NOMINAL IN, length: 3.150 INCHES NOMINAL IN, style_designator: FIXED, end_item_identification: NEXT ASSY 120-11699, DT SERIES, part_name_assigned_by_controlling_agency: COOLING FAN ASSEMBLY DIGITAL RACKMOUNT. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-477-3491, 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

121-11805

NSN: 4140-01-477-3491
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 71503 — CLARY CORP DBA CLARY CORP DIV CLARY CORPORATION (USA)

SPECIFICATIONS

width	0.980 INCHES NOMINAL IN
height	3.150 INCHES NOMINAL IN
length	3.150 INCHES NOMINAL IN
style_designator	FIXED
end_item_identification	NEXT ASSY 120-11699, DT SERIES
part_name_assigned_by_controlling_agency	COOLING FAN ASSEMBLY DIGITAL RACKMOUNT
NSN	4140-01-477-3491

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 3.150 INCHES NOMINAL IN

•

STYLE DESIGNATOR: FIXED

•

HEIGHT: 3.150 INCHES NOMINAL IN

•

WIDTH: 0.980 INCHES NOMINAL IN

TYPICAL APPLICATIONS

Server thermal management and cooling
Hot-swap fan replacement in production environments
Redundant cooling for high-availability systems

TECHNICAL CHARACTERISTICS

LENGTH	3.150 INCHES NOMINAL IN
STYLE DESIGNATOR	FIXED
HEIGHT	3.150 INCHES NOMINAL IN
WIDTH	0.980 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	COOLING FAN ASSEMBLY DIGITAL RACKMOUNT
END ITEM IDENTIFICATION	NEXT ASSY 120-11699, DT SERIES

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 2

120-11805Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

CD-44509-101 W/ SHAFT SEALReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 121-11805?

121-11805 is a FAN,CIRCULATING.

What parts can replace 121-11805?

There are 2 known substitutes for 121-11805: 120-11805, CD-44509-101 W/ SHAFT SEAL. Substitute compatibility should be verified for your specific system.

What is the NSN for 121-11805?

121-11805 is cataloged in the U.S. Government catalog under NSN 4140-01-477-3491. This indicates validated use in U.S. government and defense supply chains.

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