The Head,fluid Filter, cataloged under National Stock Number 1650-01-363-5186, 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 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1650-01-363-5186 |
| Item Name | Head,fluid Filter |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Inlet Port Type | THREADED FEMALE, PLAIN |
| Outlet Thread Class | 3B |
| Overall Diameter | 4.620 INCHES NOMINAL IN |
| Inlet Nominal Thread Size | 0.750 INCHES IN |
| Outlet Port Type | THREADED FEMALE, PLAIN |
| Outlet Thread Direction | RIGHT-HAND |
| Quantity | 4 |
| Outlet Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| Mounting Bolt Hole | PROVIDED |
| Thread Direction | RIGHT-HAND INLET |
| Valve | NOT INCLUDED |
| Bolt Circle Diameter | 3.359 INCHES NOMINAL IN |
| Inlet Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| Outlet Thread Quantity Per Inch | 38 |
| Inlet Thread Quantity Per Inch | 38 |
| Filter Element | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Inlet Thread Class | 3B |
| Hole Diameter | 0.312 INCHES NOMINAL IN |
| Outlet Nominal Thread Size | 0.750 INCHES IN |
| 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 |
|---|---|
| 2H908-2 | 3/2 Design control — primary reference U.S. Government activity |
| 2H908-1 | D/9 Drawing number reference only U.S. Government activity |
NSN 1650-01-363-5186 is a Head,fluid Filter, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-363-5186: Inlet Port Type: THREADED FEMALE, PLAIN; Outlet Thread Class: 3B; Overall Diameter: 4.620 INCHES NOMINAL IN; Inlet Nominal Thread Size: 0.750 INCHES IN. 20 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 1650-01-363-5186 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.