The Pump,axial Pistons, cataloged under National Stock Number 1650-01-246-1515, 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 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-246-1515 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| FSC Application Data | AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS |
| Pumping Element Type | PISTON |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Connection Type | CLOSE COUPLED |
| Reciprocating Stroke Type | FIXED |
| Operating Speed at Rated Capacity | 5400.0 REVOLUTIONS PER MINUTE |
| Pump Reciprocating Design | SINGLE ACTING |
| Drive Shaft Type | SPLINED, STRAIGHT EXTERNAL |
| Volume Control Type | PRESSURE COMPENSATION |
| Discharge Pressure | 000.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS |
| Cylinder Quantity | 1 |
| Maximum Discharge Flow Rate | 61.0 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DRAWINGS |
| 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 |
|---|---|
| 65169 | 5/3 Secondary reference U.S. Government activity |
| 4H90002-113A | 1/3 Source control — Government-approved source U.S. Government activity |
| 65169-01 | 3/3 Design control — primary reference U.S. Government activity |
NSN 1650-01-246-1515 is a Pump,axial Pistons, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-246-1515: Discharge Connection Quantity: 1; FSC Application Data: AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS; Pumping Element Type: PISTON; Pumping Element Operating Position: HORIZONTAL. 17 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 1650-01-246-1515 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.