The Piston,hydraulic Motor-Pump, cataloged under National Stock Number 1650-00-974-4964, 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 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1650-00-974-4964 |
| Item Name | Piston,hydraulic Motor-Pump |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | ACFT HYD SYSTEM |
| General Characteristics Item Description | STEEL,AMS 6440,0.5622 IN. MIN 0.5623 IN. MAX DIA,1.322 IN. MIN 1.332IN. MAX LG,ROCKWELL C62 TO C65 HARDNESS IN |
| 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 |
|---|---|
| 690168GB | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-974-4964 is a Piston,hydraulic Motor-Pump, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-00-974-4964: FSC Application Data: ACFT HYD SYSTEM; General Characteristics Item Description: STEEL,AMS 6440,0.5622 IN. MIN 0.5623 IN. MAX DIA,1.322 IN. MIN 1.332IN. MAX LG,ROCKWELL C62 TO C65 HARDNESS IN; End Item Identification: 16500218268. 2 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.