The Cap,valve, cataloged under National Stock Number 1650-01-447-1810, 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 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-447-1810 |
| Item Name | Cap,valve |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Material Document and Classification | AMS4120, 2024, T4 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.979 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Attachment Method | THREADED |
| 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 |
|---|---|
| 262R203 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-447-1810 is a Cap,valve, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-447-1810: Material Document and Classification: AMS4120, 2024, T4 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 1.750 INCHES NOMINAL IN; Outside Diameter: 1.979 INCHES NOMINAL IN; End Item Identification: 1650-01-327-1355; AIRCRAFT, GALAXY C-5. 4 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.