CRF 18A — FAN,VENTILATING

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

CRF 18A: FAN,VENTILATING.

The FAN,VENTILATING is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include phase: SINGLE, height: 21.00 INCHES NOMINAL IN, material: GLASS FIBER HOUSING, drive_type: DIRECT, air_flow_rate: 1961.0 CUBIC FEET PER MINUTE MINIMUM AND 2790.00 CUBIC FEET PER MINUTE MAXIMUM, inclosure_type: PARTIALLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-661-8742, 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

CRF 18A

NSN: 4140-01-661-8742
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 9F954 — AIR-FLO MFG, CO. INC. DBA AIR-FLO (USA)

SPECIFICATIONS

phase	SINGLE
height	21.00 INCHES NOMINAL IN
material	GLASS FIBER HOUSING
drive_type	DIRECT
air_flow_rate	1961.0 CUBIC FEET PER MINUTE MINIMUM AND 2790.00 CUBIC FEET PER MINUTE MAXIMUM
inclosure_type	PARTIALLY INCLOSED
prime_mover_type	ELECTRIC MOTOR
style_designator	FIXED
speed_adjustments	SINGLE SPEED
frequency_in_hertz	60.0
environmental_protection	CORROSION RESISTANT
part_name_assigned_by_controlling_agency	SHUTTER MOUNT EXHAUST FAN;
NSN	4140-01-661-8742

COMPONENT DIAGRAM

KEY FEATURES

•

SPEED ADJUSTMENTS: SINGLE SPEED

•

PHASE: SINGLE

•

FREQUENCY IN HERTZ: 60.0

•

INCLOSURE TYPE: PARTIALLY INCLOSED

•

DRIVE TYPE: DIRECT

•

STYLE DESIGNATOR: FIXED

•

HEIGHT: 21.00 INCHES NOMINAL IN

•

ENVIRONMENTAL PROTECTION: CORROSION RESISTANT

TYPICAL APPLICATIONS

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

TECHNICAL CHARACTERISTICS

SPEED ADJUSTMENTS	SINGLE SPEED
PHASE	SINGLE
FREQUENCY IN HERTZ	60.0
INCLOSURE TYPE	PARTIALLY INCLOSED
DRIVE TYPE	DIRECT
STYLE DESIGNATOR	FIXED
HEIGHT	21.00 INCHES NOMINAL IN
ENVIRONMENTAL PROTECTION	CORROSION RESISTANT
PART NAME ASSIGNED BY CONTROLLING AGENCY	SHUTTER MOUNT EXHAUST FAN;
MATERIAL	GLASS FIBER HOUSING

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

WGB2158931Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

T9FB2158931Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 CRF 18A?

CRF 18A is a FAN,VENTILATING.

What parts can replace CRF 18A?

There are 2 known substitutes for CRF 18A: WGB2158931, T9FB2158931. Substitute compatibility should be verified for your specific system.

What is the NSN for CRF 18A?

CRF 18A is cataloged in the U.S. Government catalog under NSN 4140-01-661-8742. This indicates validated use in U.S. government and defense supply chains.

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