SPL-1657 — GUARD,FAN IMPELLER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SPL-1657: GUARD,FAN IMPELLER.

The GUARD,FAN IMPELLER is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include special_features: 24.00 IN.NOM DIA,2.25 IN.H;FOUR 0.379 IN.DIA MTG HOLES LOCATED 90 DEG APART ON A 25.62 IN.DIA BOLT CIRCLE; IN, end_item_identification: 3810-01-205-2716CRANE,WHEEL MOUNTED. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-280-3003, 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

SPL-1657

NSN: 4140-01-280-3003
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 63079 — THERMASYS CORPORATION DBA GENERAL THERMO DYNAMICS DIV GENERAL THERMODYNAMICS DIV

SPECIFICATIONS

special_features	24.00 IN.NOM DIA,2.25 IN.H;FOUR 0.379 IN.DIA MTG HOLES LOCATED 90 DEG APART ON A 25.62 IN.DIA BOLT CIRCLE; IN
end_item_identification	3810-01-205-2716CRANE,WHEEL MOUNTED
NSN	4140-01-280-3003

COMPONENT DIAGRAM

TYPICAL APPLICATIONS

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

TECHNICAL CHARACTERISTICS

SPECIAL FEATURES	24.00 IN.NOM DIA,2.25 IN.H;FOUR 0.379 IN.DIA MTG HOLES LOCATED 90 DEG APART ON A 25.62 IN.DIA BOLT CIRCLE; IN
END ITEM IDENTIFICATION	3810-01-205-2716CRANE,WHEEL MOUNTED

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

9-726-100075Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FG-1657Reference 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)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SPL-1657?

SPL-1657 is a GUARD,FAN IMPELLER.

What parts can replace SPL-1657?

There are 2 known substitutes for SPL-1657: 9-726-100075, FG-1657. Substitute compatibility should be verified for your specific system.

What is the NSN for SPL-1657?

SPL-1657 is cataloged in the U.S. Government catalog under NSN 4140-01-280-3003. This indicates validated use in U.S. government and defense supply chains.

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