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516558-2 — HEAT SINK,ELECTRICAL-ELECTRONIC

✓ Government record, cited
— · FAN MODULE
PRODUCT OVERVIEW

516558-2: HEAT SINK,ELECTRICAL-ELECTRONIC.

HEAT SINK,ELECTRICAL-ELECTRONIC. Key specifications include material: ALUMINUM ALLOY 6061, body_style: RECTANGULAR, overall_width: 1.750 INCHES NOMINAL IN, overall_height: 0.125 INCHES NOMINAL IN, overall_length: 3.550 INCHES NOMINAL IN, unthreaded_mounting_hole_diameter: 0.099 INCHES NOMINAL ALL MOUNTING FACILITIES IN. This part is cataloged in the U.S.

Government catalog under NSN 5999-01-396-6912, 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
516558-2
NSN: 5999-01-396-6912
FSC: 5999 — Miscellaneous Electrical and Electronic Components
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
body_styleRECTANGULAR
overall_width1.750 INCHES NOMINAL IN
overall_height0.125 INCHES NOMINAL IN
overall_length3.550 INCHES NOMINAL IN
unthreaded_mounting_hole_diameter0.099 INCHES NOMINAL ALL MOUNTING FACILITIES IN
mounting_facility_type_and_quantity5 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
NSN5999-01-396-6912
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 516558-2 MFR OEM HEAT SINK,ELECTRICAL-ELECTRONIC
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 5 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
•
BODY STYLE: RECTANGULAR
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.099 INCHES NOMINAL ALL MOUNTING FACILITIES IN
•
MATERIAL: ALUMINUM ALLOY 6061
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY5 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
OVERALL HEIGHT0.125 INCHES NOMINAL IN
BODY STYLERECTANGULAR
UNTHREADED MOUNTING HOLE DIAMETER0.099 INCHES NOMINAL ALL MOUNTING FACILITIES IN
OVERALL LENGTH3.550 INCHES NOMINAL IN
OVERALL WIDTH1.750 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 516558-2?
516558-2 is a HEAT SINK,ELECTRICAL-ELECTRONIC.
What is the NSN for 516558-2?
516558-2 is cataloged in the U.S. Government catalog under NSN 5999-01-396-6912. 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.