The Clutch Assy,idler,a, cataloged under National Stock Number 1615-01-563-0664, is classified within Federal Supply Class 1615 (Helicopter Rotor Blades, Drive Mechanisms and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Clutch Assy,idler,a |
| FSC / FSG | 1615 — Helicopter Rotor Blades, Drive Mechanisms and Components (FSG 16) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 0W6H8) |
| Parameter | Value |
|---|---|
| NSN | 1615-01-563-0664 |
| Primary Part Number | 269A5447-17 |
| Item Name | Clutch Assy,idler,a |
| FSC / FSG | 1615 / 16 — Helicopter Rotor Blades, Drive Mechanisms and Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 269A5447-17 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 269A5447-17 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 269A5447-17 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
| 269A5447-175 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1615-01-563-0664 is a Clutch Assy,idler,a, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. Status: active.
NSN 1615-01-563-0664 has 1 manufacturer part number on file: 269A5447-17 (Northrop Grumman Systems Corporation).
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 1615-01-563-0664 has DEMIL Code D. 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.