The Housing,axial Piston, cataloged under National Stock Number 1650-00-951-0318, 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 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-951-0318 |
| Item Name | Housing,axial Piston |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | 2 HOLES FOR HELICAL SPRINGS AND 2 PORTS ON ONE END; LIP WITH THD HOLE ON OTHER END; 4 HOLES FOR HELICAL COIL SPRINGS AROUND OUTER PERIPHERY OF CENTER HOLE |
| 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 |
|---|---|
| 55947 | 3/2 Design control — primary reference U.S. Government activity |
| 55947 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
NSN 1650-00-951-0318 is a Housing,axial Piston, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-316-9753, 2530-01-533-2485. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-00-951-0318: General Characteristics Item Description: 2 HOLES FOR HELICAL SPRINGS AND 2 PORTS ON ONE END; LIP WITH THD HOLE ON OTHER END; 4 HOLES FOR HELICAL COIL SPRINGS AROUND OUTER PERIPHERY OF CENTER HOLE. 1 specification is 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.