645747-1-1 — FAN,CENTRIFUGAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

645747-1-1: 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: 7.00 INCHES NOMINAL IN, height: 6.00 INCHES NOMINAL IN, length: 5.00 INCHES NOMINAL IN, special_features: ELECTRICAL CONNECTOR D38999/20WC98PN, frequency_in_hertz: 400.0, test_data_document: 96906-MIL-STD-831 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).. This part is cataloged in the U.S.

Government catalog under NSN 1660-01-418-0831, 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

645747-1-1

NSN: 1660-01-418-0831
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)

SPECIFICATIONS

width	7.00 INCHES NOMINAL IN
height	6.00 INCHES NOMINAL IN
length	5.00 INCHES NOMINAL IN
special_features	ELECTRICAL CONNECTOR D38999/20WC98PN
frequency_in_hertz	400.0
test_data_document	96906-MIL-STD-831 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
outlet_inside_height	3.20 INCHES NOMINAL IN
special_test_features	AMBIENT PRESSURE = 16.2 TO 4.36 (BOTH OPERATING AND NON-OPERATING)
end_item_identification	V22 OSPREY
specification/standard_data	96906-MIL-STD-704D GOVERNMENT STANDARD
criticality_code_justification	AGAV
ambient_temp_at_full_rated_power	71.0 CELSIUS DEGC
NSN	1660-01-418-0831

COMPONENT DIAGRAM

KEY FEATURES

•

FREQUENCY IN HERTZ: 400.0

•

OUTLET INSIDE HEIGHT: 3.20 INCHES NOMINAL IN

•

LENGTH: 5.00 INCHES NOMINAL IN

•

SPECIAL TEST FEATURES: AMBIENT PRESSURE = 16.2 TO 4.36 (BOTH OPERATING AND NON-OPERATING)

•

CRITICALITY CODE JUSTIFICATION: AGAV

•

AMBIENT TEMP AT FULL RATED POWER: 71.0 CELSIUS DEGC

•

SPECIFICATION/STANDARD DATA: 96906-MIL-STD-704D GOVERNMENT STANDARD

•

HEIGHT: 6.00 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

FREQUENCY IN HERTZ	400.0
OUTLET INSIDE HEIGHT	3.20 INCHES NOMINAL IN
LENGTH	5.00 INCHES NOMINAL IN
SPECIAL TEST FEATURES	AMBIENT PRESSURE = 16.2 TO 4.36 (BOTH OPERATING AND NON-OPERATING)
CRITICALITY CODE JUSTIFICATION	AGAV
AMBIENT TEMP AT FULL RATED POWER	71.0 CELSIUS DEGC
SPECIFICATION/STANDARD DATA	96906-MIL-STD-704D GOVERNMENT STANDARD
HEIGHT	6.00 INCHES NOMINAL IN
SPECIAL FEATURES	ELECTRICAL CONNECTOR D38999/20WC98PN
WIDTH	7.00 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

901-325-103Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

901-325-103-117Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 645747-1-1?

645747-1-1 is a FAN,CENTRIFUGAL.

What parts can replace 645747-1-1?

There are 2 known substitutes for 645747-1-1: 901-325-103, 901-325-103-117. Substitute compatibility should be verified for your specific system.

What is the NSN for 645747-1-1?

645747-1-1 is cataloged in the U.S. Government catalog under NSN 1660-01-418-0831. This indicates validated use in U.S. government and defense supply chains.

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645747-1-1 — FAN,CENTRIFUGAL

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