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75A321328-2025 — DUCT ASSEMBLY,AIR CONDITIONING-H

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

75A321328-2025: DUCT ASSEMBLY,AIR CONDITIONING-H.

DUCT ASSEMBLY,AIR CONDITIONING-H. Key specifications include material: GLASS FIBER, hole_quantity: 28, surface_treatment: PLASTIC, part_name_assigned_by_controlling_agency: FRAME. This part is cataloged in the U.S.

Government catalog under NSN 1660-01-449-4669, 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
75A321328-2025
NSN: 1660-01-449-4669
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialGLASS FIBER
hole_quantity28
surface_treatmentPLASTIC
part_name_assigned_by_controlling_agencyFRAME
NSN1660-01-449-4669
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DUCT ASSEMBLY,AIR CONDITIONING-H TITLE COMPONENT PN 75A321328-2025 MFR DUCT ASSEMBLY,AIR COND
KEY FEATURES
•
SURFACE TREATMENT: PLASTIC
•
MATERIAL: GLASS FIBER
•
HOLE QUANTITY: 28
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTPLASTIC
PART NAME ASSIGNED BY CONTROLLING AGENCYFRAME
MATERIALGLASS FIBER
HOLE QUANTITY28
OTHER ITEMS IN FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-006-4472 1660-00-009-5646 1660-00-019-8389 1660-00-019-8399 1660-00-031-5285 1660-00-302-4390 1660-00-441-0575 1660-01-601-0729
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 75A321328-2025?
75A321328-2025 is a DUCT ASSEMBLY,AIR CONDITIONING-H.
What is the NSN for 75A321328-2025?
75A321328-2025 is cataloged in the U.S. Government catalog under NSN 1660-01-449-4669. 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.