BSS506721 — IMPELLER,FAN,AXIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

BSS506721: IMPELLER,FAN,AXIAL.

The IMPELLER,FAN,AXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include phase: THREE OUTPUT, diameter: 18.250 INCHES NOMINAL IN, duty_cycle: CONTINUOUS, excitor_type: SEPARATELY EXCITED, hub_location: FRONT, power_rating: 6.0 KILOWATTS OUTPUT. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-191-1236, 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

BSS506721

NSN: 4140-00-191-1236
NIINs: 001911236, 003288317
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 38151 — MARATHON ELECTRIC, LLC (USA)

SPECIFICATIONS

phase	THREE OUTPUT
diameter	18.250 INCHES NOMINAL IN
duty_cycle	CONTINUOUS
excitor_type	SEPARATELY EXCITED
hub_location	FRONT
power_rating	6.0 KILOWATTS OUTPUT
overall_width	21.750 INCHES IN
overall_height	21.750 INCHES IN
overall_length	26.312 INCHES IN
shaft_diameter	2.7500 INCHES NOMINAL SINGLE END IN
mounting_method	FACE
style_designator	ROUNDED TIP
NSN	4140-00-191-1236

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING HOLE QUANTITY: 1

•

STYLE DESIGNATOR: ROUNDED TIP

•

ATTACHMENT METHOD: BOLT HOLE

•

MOUNTING HOLE DIAMETER: 0.421 INCHES NOMINAL IN

•

DIAMETER: 18.250 INCHES NOMINAL IN

•

HUB LOCATION: FRONT

TYPICAL APPLICATIONS

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

TECHNICAL CHARACTERISTICS

MOUNTING HOLE QUANTITY	1
STYLE DESIGNATOR	ROUNDED TIP
ATTACHMENT METHOD	BOLT HOLE
MOUNTING HOLE DIAMETER	0.421 INCHES NOMINAL IN
DIAMETER	18.250 INCHES NOMINAL IN
HUB LOCATION	FRONT

SUBSTITUTES & CROSS-REFERENCES 3

72-480343111Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A624-3117Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A-503567J-AReference document

Same NSN cross-reference

Reference document — Secondary reference

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 BSS506721?

BSS506721 is a IMPELLER,FAN,AXIAL.

What parts can replace BSS506721?

There are 3 known substitutes for BSS506721: 72-480343111, A624-3117, A-503567J-A. Substitute compatibility should be verified for your specific system.

What is the NSN for BSS506721?

BSS506721 is cataloged in the U.S. Government catalog under NSN 4140-00-191-1236. This indicates validated use in U.S. government and defense supply chains.

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