The Helicopter,attack, cataloged under National Stock Number 1520-01-421-5979, is classified within Federal Supply Class 1520 (Aircraft, Rotary Wing) of the Aircraft and Airframe Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1520-01-421-5979 |
| Item Name | Helicopter,attack |
| FSC / FSG | 1520 / 15 — Aircraft, Rotary Wing |
| Status | ACTIVE |
| FSC Application Data | HELICOPTER,ATTACK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AH-1W | 3/2 Design control — primary reference U.S. Government activity |
NSN 1520-01-421-5979 is a Helicopter,attack, classified under FSC 1520, Aircraft, Rotary Wing. Status: active.
Key specifications for 1520-01-421-5979: FSC Application Data: HELICOPTER,ATTACK. 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 1520-01-421-5979 has DEMIL Code C. 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.