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SUM3545 — HEAT SINK,ELECTRICAL-ELECTRONIC

✓ Government record, cited
— · FAN MODULE
PRODUCT OVERVIEW

SUM3545: HEAT SINK,ELECTRICAL-ELECTRONIC.

HEAT SINK,ELECTRICAL-ELECTRONIC. Key specifications include material: ALUMINUM, overall_width: 1.550 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN, overall_height: 0.338 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, overall_length: 6.950 INCHES MINIMUM AND 6.980 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5999-01-186-5673, 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
SUM3545
NSN: 5999-01-186-5673
FSC: 5999 — Miscellaneous Electrical and Electronic Components
CAGE: K5294 — GE AVIATION SYSTEMS LTD (GBR)
SPECIFICATIONS
materialALUMINUM
overall_width1.550 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN
overall_height0.338 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
overall_length6.950 INCHES MINIMUM AND 6.980 INCHES MAXIMUM IN
NSN5999-01-186-5673
COMPONENT DIAGRAM
HANDLE 60mm 60mm HOT-PLUG COOL IN HOT OUT DUAL ROTOR HOT-SWAP FAN MODULE | 60mm Dual Rotor | FRONT-TO-BACK Hot-plug | Redundant | TITLE FAN MODULE PN SUM3545 MFR OEM HEAT SINK,ELECTRICAL-ELECTRONIC
KEY FEATURES
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.338 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
OVERALL LENGTH6.950 INCHES MINIMUM AND 6.980 INCHES MAXIMUM IN
OVERALL WIDTH1.550 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN
MATERIALALUMINUM
OTHER ITEMS IN FSC 5999 — Miscellaneous Electrical and Electronic Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5999-00-001-1345 5999-00-001-1346 5999-00-001-1348 5999-00-001-1349 5999-00-001-1355 5999-00-001-1623 5999-00-001-2537 5999-00-001-2539
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SUM3545?
SUM3545 is a HEAT SINK,ELECTRICAL-ELECTRONIC.
What is the NSN for SUM3545?
SUM3545 is cataloged in the U.S. Government catalog under NSN 5999-01-186-5673. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.