The Coupling Assembly,spline, cataloged under National Stock Number 1680-01-054-4806, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-054-4806 |
| Primary Part Number | 2009069-1 |
| Item Name | Coupling Assembly,spline |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| General Characteristics Item Description | CRES AMS5629 PH 13-8MO,0.716 IN. DIA,0.480 IN. LG,0.613 IN. ID,0.655 IN. ID ON INTERNAL SERRATION,30 TEETH WITH PRESSURE ANGLE OF 45.0 DEG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2009069-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 1680-01-054-4806 is a Coupling Assembly,spline, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-054-4806 has 1 manufacturer part number on file: 2009069-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 2009069-1: General Characteristics Item Description: CRES AMS5629 PH 13-8MO,0.716 IN. DIA,0.480 IN. LG,0.613 IN. ID,0.655 IN. ID ON INTERNAL SERRATION,30 TEETH WITH PRESSURE ANGLE OF 45.0 DEG IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1680-01-054-4806 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.