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721433-1 — HEAT SINK,ELECTRICAL-ELECTRONIC

✓ Government record, cited
— · FAN MODULE
PRODUCT OVERVIEW

721433-1: HEAT SINK,ELECTRICAL-ELECTRONIC.

HEAT SINK,ELECTRICAL-ELECTRONIC. Key specifications include special_features: ALUMINUM ALLOY,6061 OR 1100 PER QQ-A-250; 5.500 IN. LG; 0.375 IN.

H; 5.250 IN. H IN. This part is cataloged in the U.S.

Government catalog under NSN 5999-01-156-7232, 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
721433-1
NSN: 5999-01-156-7232
FSC: 5999 — Miscellaneous Electrical and Electronic Components
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
special_featuresALUMINUM ALLOY,6061 OR 1100 PER QQ-A-250; 5.500 IN. LG; 0.375 IN. H; 5.250 IN. H IN
NSN5999-01-156-7232
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 721433-1 MFR OEM HEAT SINK,ELECTRICAL-ELECTRONIC
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESALUMINUM ALLOY,6061 OR 1100 PER QQ-A-250; 5.500 IN. LG; 0.375 IN. H; 5.250 IN. H IN
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 721433-1?
721433-1 is a HEAT SINK,ELECTRICAL-ELECTRONIC.
What is the NSN for 721433-1?
721433-1 is cataloged in the U.S. Government catalog under NSN 5999-01-156-7232. 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.