4111-33 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4111-33: 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 terminal_type: SCREW, mounting_method: BRACKET(S) AND UNTHREADED HOLE(S), contact_adjustability: ACTUATION POINT ADJUSTABLE, end_item_identification: U-2 AIRCRAFT, contact_adjustment_range: +110.00 TO 170.00 ACTUATION POINT DEGREES FAHRENHEIT, mounting_facility_pattern: TWO POSITION IN-LINE. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-020-6953, 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

4111-33

NSN: 4140-00-020-6953
NIINs: 000206953, 010068473, 015928815
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 82877 — ROTRON INCORPORATED (USA)

SPECIFICATIONS

terminal_type	SCREW
mounting_method	BRACKET(S) AND UNTHREADED HOLE(S)
contact_adjustability	ACTUATION POINT ADJUSTABLE
end_item_identification	U-2 AIRCRAFT
contact_adjustment_range	+110.00 TO 170.00 ACTUATION POINT DEGREES FAHRENHEIT
mounting_facility_pattern	TWO POSITION IN-LINE
part_name_assigned_by_controlling_agency	O-RING
NSN	4140-00-020-6953

COMPONENT DIAGRAM

TYPICAL APPLICATIONS

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

SUBSTITUTES & CROSS-REFERENCES 5

S-1021Reference document

Same NSN cross-reference

Reference document — Secondary reference

AA300-128-1CW 5/16BORE/STEELReference document

Same NSN cross-reference

Reference document — Secondary reference

M-1965Reference document

Same NSN cross-reference

Reference document — Secondary reference

S-1157Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

KC-10046-1Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 4111-33?

4111-33 is a IMPELLER,FAN,CENTRIFUGAL.

What parts can replace 4111-33?

There are 5 known substitutes for 4111-33: S-1021, AA300-128-1CW 5/16BORE/STEEL, M-1965 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 4111-33?

4111-33 is cataloged in the U.S. Government catalog under NSN 4140-00-020-6953. This indicates validated use in U.S. government and defense supply chains.

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4111-33 — IMPELLER,FAN,CENTRIFUGAL

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