2-3/4LHB.43BSSSCCW — Technical Data Sheet

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— · COMPONENT

WHAT YOU NEED TO KNOW

Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel

Confirm exact part number — similar PNs may be different parts

PRODUCT OVERVIEW

The IMPELLER,FAN,AXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include material: STEEL OVERALL, head_style: HEADLESS (SETSCREW), point_style: CUP, spline_width: 0.022 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.125 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-327-2820, 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

2-3/4LHB.43BSSSCCW

NSN: 4140-00-327-2820
FSC: 4140
CAGE: 04870 — PM MOTOR CO (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEADLESS (SETSCREW)
point_style	CUP
spline_width	0.022 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
thread_class	3A A
thread_length	0.125 INCHES MAXIMUM IN
fastener_length	0.125 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
internal_drive_style	CROSS RECESS TYPE 1
spline_major_diameter	0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
spline_minor_diameter	0.055 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
NSN	4140-00-327-2820

COMPONENT DIAGRAM

TYPICAL APPLICATIONS

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

VERIFIED SUBSTITUTES & CROSS-REFERENCES 3

690676Interchangeable

interchangeable cross-reference

interchangeable

AN565D6L2Interchangeable

interchangeable cross-reference

interchangeable

207806Interchangeable

interchangeable cross-reference

interchangeable

LIFECYCLE

StatusACTIVE

AvailabilityOEM and secondary market

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is 2-3/4LHB.43BSSSCCW?

2-3/4LHB.43BSSSCCW is a IMPELLER,FAN,AXIAL.

What parts can replace 2-3/4LHB.43BSSSCCW?

There are 3 known substitutes for 2-3/4LHB.43BSSSCCW: 690676, AN565D6L2, 207806. Substitute compatibility should be verified for your specific system.

What is the NSN for 2-3/4LHB.43BSSSCCW?

2-3/4LHB.43BSSSCCW is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-327-2820. This indicates validated use in U.S. government and defense supply chains.

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