The Cylinder Block Unit,hydraulic Mo, cataloged under National Stock Number 1650-01-449-1612, 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 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-449-1612 |
| Item Name | Cylinder Block Unit,hydraulic Mo |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | CYLINDER BLOCK WITH NINE BORES AND A MATCHED SET OF NINE PISTON AND SLIPPER ASSEMBLIES |
| Reference Data and Literature | TO 9H6-5-14-4 |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 733755B | 5/9 Secondary reference U.S. Government activity |
| 766240 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-449-1612 is a Cylinder Block Unit,hydraulic Mo, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-449-1612: General Characteristics Item Description: CYLINDER BLOCK WITH NINE BORES AND A MATCHED SET OF NINE PISTON AND SLIPPER ASSEMBLIES; Reference Data and Literature: TO 9H6-5-14-4; Special Features: FOR AXIAL PISTON PUMP & MOTOR ASSEMBLY (LEFT HAND) OF CONSTANT SPEED HYDRAULIC DRIVE, NSN 1650-01-313-4227; Part Name Assigned by Controlling Agency: CYLINDER BLOCK AND PISTON (MATCHED SET). 3 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.
NSN 1650-01-449-1612 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.