The Disk,valve, cataloged under National Stock Number 1650-01-451-3795, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1650-01-451-3795 |
| Item Name | Disk,valve |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE |
| Media for Which Designed | HYDRAULIC FLUID |
| Material | STEEL COMP 440C |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 351R305 | 3/2 Design control — primary reference U.S. Government activity |
| 1402R004 ITEM 16 | 5/2 Secondary reference U.S. Government activity |
| 1402R004 | D/9 Drawing number reference only U.S. Government activity |
NSN 1650-01-451-3795 is a Disk,valve, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-451-4098, 4820-01-451-4102. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-01-451-3795: Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: -40.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF; Material Document and Classification: AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: POPPET FOR FLUID REGULATORS CORP P/N BD2445-01 PRIORITY VALVE. 5 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.