NSN 1680-01-645-9474 · NIIN 016459474 · Part number 099-842-123
Bell Textron Inc. · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 60762
Government record, cited
NSN 1680-01-645-9474 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-645-9474. Manufacturer of record part number: 099-842-123.
Also searched as1680-01-645-9474 ·
1680016459474 ·
NIIN 016459474 ·
01-645-9474 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 60762 · 099-842-123
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 099-842-123
Manufacturer: Bell Textron Inc.
General Description
The Tachometer, cataloged under National Stock Number 1680-01-645-9474, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Bell Textron Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Tachometer
FSC / FSG
1680 — Miscellaneous Aircraft Accessories and Components (FSG 16)
Manufacturers
Bell Textron Inc. (CAGE 60762)
Technical Specifications
Parameter
Value
NSN
1680-01-645-9474
Primary Part Number
099-842-123
Item Name
Tachometer
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Honeywell International Inc. Dba Honeywell Div Aerospace-Poway
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.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G
Frequently Asked Questions
What is NSN 1680-01-645-9474?
NSN 1680-01-645-9474 is a Tachometer, manufactured by Bell Textron Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-645-9474?
NSN 1680-01-645-9474 has 1 manufacturer part number on file: 099-842-123 (Bell Textron Inc.).
Is NSN 1680-01-645-9474 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 1680-01-645-9474?
NSN 1680-01-645-9474 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.