NSN 1680-01-734-2003 · NIIN 017342003 · Part number 4L5578-1
Safran Electronics & Defense, Avionics Usa, Llc · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 879B2
Government record, cited
NSN 1680-01-734-2003 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-734-2003. Manufacturer of record part number: 4L5578-1.
Also searched as1680-01-734-2003 ·
1680017342003 ·
NIIN 017342003 ·
01-734-2003 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 879B2 · 4L5578-1 · 3L5460
Manufacturer of record: Safran Electronics & Defense, Avionics Usa, Llc
Identification
NSN: 1680-01-734-2003
NIIN: 017342003
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 4L5578-1
Manufacturer: Safran Electronics & Defense, Avionics Usa, Llc
General Description
The Bracket,eye,nonrotating Shaft, cataloged under National Stock Number 1680-01-734-2003, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Bracket,eye,nonrotating Shaft
FSC / FSG
1680 — Miscellaneous Aircraft Accessories and Components (FSG 16)
Manufacturers
Safran Electronics & Defense, Avionics Usa, Llc (CAGE 879B2); Dutch Valley Supply Co. (CAGE 31068)
Technical Specifications
Parameter
Value
NSN
1680-01-734-2003
Primary Part Number
4L5578-1
Item Name
Bracket,eye,nonrotating Shaft
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Manufacturer
Safran Electronics & Defense, Avionics Usa, Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
F
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 1680-01-734-2003 is a Bracket,eye,nonrotating Shaft, manufactured by Safran Electronics & Defense, Avionics Usa, Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-734-2003?
NSN 1680-01-734-2003 has 2 manufacturer part numbers on file: 4L5578-1 (Safran Electronics & Defense, Avionics Usa, Llc), 4L5578-1 (Dutch Valley Supply Co.).
What NSN replaces 1680-01-734-2003?
4 possible matches (shared part number, not a government interchangeability claim): 1680-01-734-2978, 5365-01-734-3017, 1670-01-734-3686. Verify interchangeability with system specifications before substitution.
Is NSN 1680-01-734-2003 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.
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.