NSN 1680-00-438-3899 · NIIN 004383899 · Part number 178646-1
Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 71791
Government record, cited
NSN 1680-00-438-3899 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-438-3899. Manufacturer of record part number: 178646-1.
Also searched as1680-00-438-3899 ·
1680004383899 ·
NIIN 004383899 ·
00-438-3899 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 71791 · 178646-1 · 177450
Manufacturer of record: Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
Identification
NSN: 1680-00-438-3899
NIIN: 004383899
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 178646-1
Manufacturer: Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
General Description
The Housing,torque Brak, cataloged under National Stock Number 1680-00-438-3899, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Housing,torque Brak
FSC / FSG
1680 — Miscellaneous Aircraft Accessories and Components (FSG 16)
Manufacturers
Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (CAGE 71791)
Technical Specifications
Parameter
Value
NSN
1680-00-438-3899
Primary Part Number
178646-1
Item Name
Housing,torque Brak
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Manufacturer
Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA)
No interchangeability data on file.
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 1680-00-438-3899?
NSN 1680-00-438-3899 is a Housing,torque Brak, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-00-438-3899?
NSN 1680-00-438-3899 has 2 manufacturer part numbers on file: 178646-1 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division), 177450 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
Is NSN 1680-00-438-3899 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 1680-00-438-3899?
NSN 1680-00-438-3899 has DEMIL Code Q. 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.