The Valve Special, cataloged under National Stock Number 1650-00-452-5950, 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 Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Valve Special |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (CAGE U7388); Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (CAGE K0654) |
| Parameter | Value |
|---|---|
| NSN | 1650-00-452-5950 |
| Primary Part Number | 150100623 |
| Item Name | Valve Special |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| 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 |
|---|---|
| 150100623 | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (GBR) |
| 1-50100-623 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| 150100623 PRIMARY | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| Reference | Meaning |
|---|---|
| 99-1447014 | 6/9 Informative reference only U.S. Government activity |
NSN 1650-00-452-5950 is a Valve Special, manufactured by Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-452-5950 has 3 manufacturer part numbers on file: 150100623 (Triumph Aerospace Operations Uk, Ltd. Div Staverton Site), 1-50100-623 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 150100623 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk).
1 possible match (shared part number, not a government interchangeability claim): 1650-00-467-9002. 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.