The Disk,valve, cataloged under National Stock Number 1650-01-475-6131, 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 Ge Aviation Systems Limited Div Dowty Propellers. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 1650-01-475-6131 |
| Primary Part Number | 638005609 |
| Item Name | Disk,valve |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Ge Aviation Systems Limited Div Dowty Propellers |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 638005609 | Ge Aviation Systems Limited Div Dowty Propellers (GBR) |
| Reference | Meaning |
|---|---|
| 638005609 | 5/9 Secondary reference Lockheed Martin Aeronautical Systems Support Company Dba Lmassc |
| 638005609 | 3/9 Design control — primary reference Lockheed Martin Services, Llc |
NSN 1650-01-475-6131 is a Disk,valve, manufactured by Ge Aviation Systems Limited Div Dowty Propellers, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-475-6131 has 1 manufacturer part number on file: 638005609 (Ge Aviation Systems Limited Div Dowty Propellers).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-497-8276. Verify interchangeability with system specifications before substitution.
Key specifications for 638005609: Special Features: MANUFACTURESSUGGESTED NAME-SCREEN, AUXILIARY FEATHER PUMP; End Item Identification: C-130J AIRCRAFT. 0 specifications are 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.