NSN 1680-01-609-1443 · NIIN 016091443 · Part number 74552A-02
The Boeing Company Div Defense · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 76301
Government record, cited
NSN 1680-01-609-1443 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-609-1443. Manufacturer of record part number: 74552A-02.
Also searched as1680-01-609-1443 ·
1680016091443 ·
NIIN 016091443 ·
01-609-1443 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 76301 · 74552A-02
Manufacturer of record: The Boeing Company Div Defense
Identification
NSN: 1680-01-609-1443
NIIN: 016091443
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 74552A-02
Manufacturer: The Boeing Company Div Defense
General Description
The Duct,aircraft, cataloged under National Stock Number 1680-01-609-1443, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1680-01-609-1443
Primary Part Number
74552A-02
Item Name
Duct,aircraft
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-000-0144
CUSHION,SEAT BACK,AIRCRAFT
1680-00-001-1401
1680-00-001-1401 · Item name not on file
1680-00-001-1402
1680-00-001-1402 · Item name not on file
1680-00-001-1403
1680-00-001-1403 · Item name not on file
1680-00-001-1404
COVER,INERTIA REEL
1680-00-001-1730
SHIELD,THERMAL RADI
1680-00-001-1731
LEVER,REMOTE CONTROL
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
Frequently Asked Questions
What is NSN 1680-01-609-1443?
NSN 1680-01-609-1443 is a Duct,aircraft, manufactured by The Boeing Company Div Defense, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-609-1443?
NSN 1680-01-609-1443 has 2 manufacturer part numbers on file: 74552A-02 (The Boeing Company Div Defense), 74552A-02 (Elbit Systems Ltd Div Aerospace).
What are the specifications of 74552A-02?
Key specifications for 74552A-02: Overall Height: 55.80 MILLIMETERS MAXIMUM MM; Overall Length: 156.80 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: DUCT,AIR-PINS SIDE; End Item Identification: F/A-18 E/F. 1 specification is documented in the U.S. Government catalog.
Is NSN 1680-01-609-1443 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1680-01-609-1443?
NSN 1680-01-609-1443 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.