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703553 — HEAT SINK,ELECTRICAL-ELECTRONIC

✓ Government record, cited
— · FAN MODULE
PRODUCT OVERVIEW

703553: HEAT SINK,ELECTRICAL-ELECTRONIC.

HEAT SINK,ELECTRICAL-ELECTRONIC. Key specifications include material: ALUMINUM, web_width: 0.187 INCHES NOMINAL IN, overall_width: 3.000 INCHES NOMINAL IN, web_thickness: 0.093 INCHES NOMINAL IN, aperture_width: 2.050 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-817-4394, 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
703553
NSN: 5330-00-817-4394
NIINs: 008174394, 010357706
FSC: 5330 — Packing and Gasket Materials
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM
web_width0.187 INCHES NOMINAL IN
overall_width3.000 INCHES NOMINAL IN
web_thickness0.093 INCHES NOMINAL IN
aperture_width2.050 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length6.400 INCHES NOMINAL IN
aperture_length4.750 INCHES NOMINAL IN
left_tip_radius0.015 INCHES NOMINAL IN
right_tip_radius0.015 INCHES NOMINAL IN
surface_treatmentCHROMATE
inside_corner_radius0.500 INCHES NOMINAL IN
NSN5330-00-817-4394
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 703553 MFR OEM HEAT SINK,ELECTRICAL-ELECTRONIC
KEY FEATURES
•
LEFT SIDE FLANGE THICKNESS AT WEB: 0.056 INCHES NOMINAL IN
•
LEFT TIP RADIUS: 0.015 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
LEFT SIDE FLANGE HEIGHT: 0.218 INCHES NOMINAL IN
•
RIGHT SIDE FLANGE THICKNESS AT WEB: 0.056 INCHES NOMINAL IN
•
LEFT FLANGE FILLET RADIUS AT WEB: 0.015 INCHES NOMINAL IN
•
APERTURE WIDTH: 2.050 INCHES NOMINAL IN
•
LEFT SIDE FLANGE THICKNESS: 0.056 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LEFT SIDE FLANGE THICKNESS AT WEB0.056 INCHES NOMINAL IN
LEFT TIP RADIUS0.015 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
LEFT SIDE FLANGE HEIGHT0.218 INCHES NOMINAL IN
RIGHT SIDE FLANGE THICKNESS AT WEB0.056 INCHES NOMINAL IN
LEFT FLANGE FILLET RADIUS AT WEB0.015 INCHES NOMINAL IN
APERTURE WIDTH2.050 INCHES NOMINAL IN
LEFT SIDE FLANGE THICKNESS0.056 INCHES NOMINAL IN
RIGHT FLANGE OUTER RADIUS AT WEB0.093 INCHES NOMINAL IN
RIGHT SIDE FLANGE HEIGHT0.218 INCHES NOMINAL IN
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 703553?
703553 is a HEAT SINK,ELECTRICAL-ELECTRONIC.
What is the NSN for 703553?
703553 is cataloged in the U.S. Government catalog under NSN 5330-00-817-4394. 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.