The Parts Kit,valve Ass, cataloged under National Stock Number 1650-00-033-8161, 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 The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-033-8161 |
| Primary Part Number | 1057-303 |
| Item Name | Parts Kit,valve Ass |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | MEDIA AIR,STEEL,TETRAFLUOROETHYLENE |
| 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 |
|---|---|
| 1057-303 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 1057-305 | 5/9 Secondary reference Kitco Llc |
| 1057-305 | 5/9 Secondary reference Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company |
| 1057-305 | 5/9 Secondary reference Associated Spring Corp Div of the Barnes Group Inc Dallas Div |
| 1057-305 | 5/9 Secondary reference Erie Specialty Products Inc |
| 1057-305 | 5/9 Secondary reference Globe Aerospace Inc |
| 1057-305 | 5/9 Secondary reference The Boeing Company Div Defense |
| 1057-305 | 3/9 Design control — primary reference Kit Pack Co., Inc. |
NSN 1650-00-033-8161 is a Parts Kit,valve Ass, manufactured by The Boeing Company Div Defense, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-033-8161 has 1 manufacturer part number on file: 1057-303 (The Boeing Company Div Defense).
Key specifications for 1057-303: General Characteristics Item Description: MEDIA AIR,STEEL,TETRAFLUOROETHYLENE. 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 1650-00-033-8161 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.