The Head,fluid Filter, cataloged under National Stock Number 1650-01-421-8063, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1650-01-421-8063 |
| Item Name | Head,fluid Filter |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Supplementary Features | NEXT HIGHER ASSEMBLY IS P/N 331500-1 USED ON THE C-17A ACFT A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 331708-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-421-8063 is a Head,fluid Filter, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-421-8063: Supplementary Features: NEXT HIGHER ASSEMBLY IS P/N 331500-1 USED ON THE C-17A ACFT A; Special Features: WEAPONS SYSTEM, DT - AIRCRAFT AIRLIFTER C-17A A. 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.
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.