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L5351331 — DUCT ASSEMBLY,AIR CONDITIONING-H

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

L5351331: DUCT ASSEMBLY,AIR CONDITIONING-H.

DUCT ASSEMBLY,AIR CONDITIONING-H. Key specifications include material: ALUMINUM ALLOY, hole_quantity: 23, aircraft_location: CREW AVIONICS, aircraft_station_number: YF372, end_item_identification: B1-B LANCER AIRCRAFT, aircraft_mission_design_series: B1. This part is cataloged in the U.S.

Government catalog under NSN 1660-01-705-8065, 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
L5351331
NSN: 1660-01-705-8065
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
hole_quantity23
aircraft_locationCREW AVIONICS
aircraft_station_numberYF372
end_item_identificationB1-B LANCER AIRCRAFT
aircraft_mission_design_seriesB1
material_document_and_classificationLB0170-195 CLASS 2 MFR REF SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyDUCT
NSN1660-01-705-8065
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DUCT ASSEMBLY,AIR CONDITIONING-H TITLE COMPONENT PN L5351331 MFR DUCT ASSEMBLY,AIR COND
KEY FEATURES
•
AIRCRAFT STATION NUMBER: YF372
•
MATERIAL DOCUMENT AND CLASSIFICATION: LB0170-195 CLASS 2 MFR REF SINGLE MATERIAL RESPONSE
•
AIRCRAFT LOCATION: CREW AVIONICS
•
MATERIAL: ALUMINUM ALLOY
•
HOLE QUANTITY: 23
•
AIRCRAFT MISSION DESIGN SERIES: B1
TECHNICAL CHARACTERISTICS
AIRCRAFT STATION NUMBERYF372
MATERIAL DOCUMENT AND CLASSIFICATIONLB0170-195 CLASS 2 MFR REF SINGLE MATERIAL RESPONSE
AIRCRAFT LOCATIONCREW AVIONICS
PART NAME ASSIGNED BY CONTROLLING AGENCYDUCT
END ITEM IDENTIFICATIONB1-B LANCER AIRCRAFT
MATERIALALUMINUM ALLOY
HOLE QUANTITY23
AIRCRAFT MISSION DESIGN SERIESB1
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 1
PLL5351331Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is L5351331?
L5351331 is a DUCT ASSEMBLY,AIR CONDITIONING-H.
What parts can replace L5351331?
There is 1 known substitute for L5351331: PLL5351331. Substitute compatibility should be verified for your specific system.
What is the NSN for L5351331?
L5351331 is cataloged in the U.S. Government catalog under NSN 1660-01-705-8065. 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.