The Filter Element,fluid, cataloged under National Stock Number 1650-00-759-3479, 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 Pti Technologies Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-759-3479 |
| Primary Part Number | 21-10348 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC,VACUUM,AND DEICING SYSTEMS COMPONENTS |
| 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 |
|---|---|
| 21-10348 | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 920108 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-759-3479 is a Filter Element,fluid, manufactured by Pti Technologies Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-759-3479 has 1 manufacturer part number on file: 21-10348 (Pti Technologies Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-263-7092, 3930-01-299-4084, 4235-01-308-5151. Verify interchangeability with system specifications before substitution.
Key specifications for 21-10348: FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,AND DEICING SYSTEMS COMPONENTS. 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 1650-00-759-3479 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.