791703 PIECE 128 — FAN,CENTRIFUGAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

791703 PIECE 128: FAN,CENTRIFUGAL.

The FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include phase: SINGLE, width: 12.374 INCHES NOMINAL IN, height: 7.125 INCHES NOMINAL IN, length: 7.219 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: DIRECT. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-024-5861, 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

791703 PIECE 128

NSN: 4140-01-024-5861
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

phase	SINGLE
width	12.374 INCHES NOMINAL IN
height	7.125 INCHES NOMINAL IN
length	7.219 INCHES NOMINAL IN
material	STEEL OVERALL
drive_type	DIRECT
air_flow_rate	260.0 CUBIC FEET PER MINUTE NOMINAL
inclosure_type	FULLY INCLOSED
stage_quantity	1
outlet_location	TOP
prime_mover_type	ELECTRIC MOTOR
special_features	FINGER GUARD AT EACH INLET
NSN	4140-01-024-5861

COMPONENT DIAGRAM

KEY FEATURES

•

OUTLET LOCATION: TOP

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 FLANGE AND 8 THREADED HOLE(S)

•

SPEED ADJUSTMENTS: SINGLE SPEED

•

PHASE: SINGLE

•

INCLOSURE TYPE: FULLY INCLOSED

•

OUTLET INSIDE HEIGHT: 1.422 INCHES NOMINAL IN

•

LENGTH: 7.219 INCHES NOMINAL IN

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 115.0 AC

TYPICAL APPLICATIONS

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

TECHNICAL CHARACTERISTICS

OUTLET LOCATION	TOP
MOUNTING FACILITY TYPE AND QUANTITY	2 FLANGE AND 8 THREADED HOLE(S)
SPEED ADJUSTMENTS	SINGLE SPEED
PHASE	SINGLE
INCLOSURE TYPE	FULLY INCLOSED
OUTLET INSIDE HEIGHT	1.422 INCHES NOMINAL IN
LENGTH	7.219 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE	115.0 AC
DRIVE TYPE	DIRECT
STYLE DESIGNATOR	FIXED, DUAL IMPELLER, RECTANGULAR OUTLET

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 3

BC2918B-21-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

792306 PIECE 137Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C7Z22P-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 791703 PIECE 128?

791703 PIECE 128 is a FAN,CENTRIFUGAL.

What parts can replace 791703 PIECE 128?

There are 3 known substitutes for 791703 PIECE 128: BC2918B-21-1, 792306 PIECE 137, C7Z22P-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 791703 PIECE 128?

791703 PIECE 128 is cataloged in the U.S. Government catalog under NSN 4140-01-024-5861. This indicates validated use in U.S. government and defense supply chains.

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