The Disk,valve, cataloged under National Stock Number 1650-01-113-6263, 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 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-113-6263 |
| Primary Part Number | 1B48054-1 |
| Item Name | Disk,valve |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.875 INCHES NOMINAL IN |
| Flange Diameter | 0.502 INCHES NOMINAL IN |
| FSC Application Data | DAMPER,CYLINDER ASSEMBLY,HYDRAULIC,AIRCRAFT |
| Style Designator | POPPET |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Media for Which Designed | HYDRAULIC FLUID |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 1B48054-1 | The Boeing Company Div Services (USA) |
| 1B48054-1 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10106079 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 1B48054-1 | 5/9 Secondary reference U.S. Government activity |
| 1B48054 | D/9 Drawing number reference only The Boeing Company |
| 1B48054-1 | 7/2 Vendor item drawing reference The Boeing Company |
NSN 1650-01-113-6263 is a Disk,valve, manufactured by The Boeing Company Div Defense, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-113-6263 has 2 manufacturer part numbers on file: 1B48054-1 (The Boeing Company Div Services), 1B48054-1 (The Boeing Company Div Defense).
Key specifications for 1B48054-1: Shank Diameter: 0.875 INCHES NOMINAL IN; Flange Diameter: 0.502 INCHES NOMINAL IN; Overall Height: 0.562 INCHES NOMINAL IN; FSC Application Data: DAMPER,CYLINDER ASSEMBLY,HYDRAULIC,AIRCRAFT. 7 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.