The Filter,fluid, cataloged under National Stock Number 1650-01-336-7445, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Purolator Filter Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,fluid |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | Purolator Filter Div (CAGE 3K334) |
| Parameter | Value |
|---|---|
| NSN | 1650-01-336-7445 |
| Primary Part Number | 58478 |
| Item Name | Filter,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Purolator Filter Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 58478 PRIMARY | Purolator Filter Div (USA) |
NSN 1650-01-336-7445 is a Filter,fluid, manufactured by Purolator Filter Div, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-336-7445 has 1 manufacturer part number on file: 58478 (Purolator Filter Div).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-528-2584. Verify interchangeability with system specifications before substitution.
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.