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750590-1 — HEAT SINK,ELECTRICAL-ELECTRONIC

✓ Government record, cited
— · FAN MODULE
PRODUCT OVERVIEW

750590-1: HEAT SINK,ELECTRICAL-ELECTRONIC.

HEAT SINK,ELECTRICAL-ELECTRONIC. Key specifications include end_item_identification: B52 G/H ACFT, general_characteristics_item_description: ROCKWELL HARDNESS C45 MIN. TO C53 MAX..

This part is cataloged in the U.S. Government catalog under NSN 1660-01-182-9961, 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
750590-1
NSN: 1660-01-182-9961
NIINs: 011829961, 014358922
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
end_item_identificationB52 G/H ACFT
general_characteristics_item_descriptionROCKWELL HARDNESS C45 MIN. TO C53 MAX.
NSN1660-01-182-9961
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 750590-1 MFR OEM HEAT SINK,ELECTRICAL-ELECTRONIC
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: ROCKWELL HARDNESS C45 MIN. TO C53 MAX.
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONROCKWELL HARDNESS C45 MIN. TO C53 MAX.
END ITEM IDENTIFICATIONB52 G/H ACFT
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 750590-1?
750590-1 is a HEAT SINK,ELECTRICAL-ELECTRONIC.
What is the NSN for 750590-1?
750590-1 is cataloged in the U.S. Government catalog under NSN 1660-01-182-9961. 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.