The Separator,oil,aircraft Vacuum Sy, cataloged under National Stock Number 1650-00-540-7438, 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 24 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1650-00-540-7438 |
| Item Name | Separator,oil,aircraft Vacuum Sy |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Maximum Air Flow Rate | 250.000 CUBIC FEET PER MINUTE |
| Oil Outlet Port Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Hole Quantity | 5 |
| FSC Application Data | UNIT INSTALLATION,DE-ICER SYSTEM |
| Drain Hole Diameter | 0.0625 INCHES NOMINAL IN |
| Winterization Feature | NOT INCLUDED |
| Exhaust Port Diameter | 1.500 INCHES NOMINAL IN |
| Air Pressure Inlet Port Connection Type | BEADED TUBING HOSE |
| Oil Outlet Port Connection Type | NIPPLE TYPE TUBE |
| Mounting Method | BRACKET(S) |
| Quantity | 1 |
| Mounting Hole Diameter | 0.2656 INCHES NOMINAL IN |
| Diameter | 0.125 INCHES NOMINAL IN |
| Thread Location | INTERNAL |
| Connector Manufacturer Part Number | AN3102E14S9P |
| Pressure Vent Thread Provision | THREADED |
| Air Pressure Outlet Port Connection Type | BEADED TUBING HOSE |
| Connector Manufacturer Code | 81352 |
| Outlet Port Diameter | 1.500 INCHES NOMINAL IN |
| Thread Size | 1/8-27 |
| Screw Thread Series Designator | NPT |
| Inlet Port Diameter | 1.500 INCHES NOMINAL IN |
| Electrical Connection Type | PLUG |
| Air Pressure Exhaust Port Connection Type | BEADED TUBING HOSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1545-13E | 3/2 Design control — primary reference U.S. Government activity |
| 1545-13E | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 1650-00-540-7438 is a Separator,oil,aircraft Vacuum Sy, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-00-540-7438: Maximum Air Flow Rate: 250.000 CUBIC FEET PER MINUTE; Oil Outlet Port Diameter: 0.250 INCHES NOMINAL IN; Mounting Hole Quantity: 5; FSC Application Data: UNIT INSTALLATION,DE-ICER SYSTEM. 24 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 1650-00-540-7438 has DEMIL Code B. 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.