The Piston,hydraulic Accumulator, cataloged under National Stock Number 1650-01-189-8172, 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1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-189-8172 |
| Item Name | Piston,hydraulic Accumulator |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC SYSTEM |
| 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 |
|---|---|
| 2721570 | 3/2 Design control — primary reference U.S. Government activity |
| 2721570 | 5/9 Secondary reference U.S. Government activity |
| 2721570 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
NSN 1650-01-189-8172 is a Piston,hydraulic Accumulator, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-189-8172: FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; Special Features: ALUMINUM ALLOY 2024-T351,QQ-A-225/6; ANODIZED FINISH MIL-A-8625,TYPE 1 OR 2; 3.147 IN. LG; 1ST END SPHERICAL SHAPE 1.438 IN. RADIUS; 0.867 IN. LG FROM CENTER OF SPHERICAL END TO FLANGE 3.050 IN. DIA; 0.117 IN. W TO GROOVE 0.196 IN. W; 2.888 IN. DIA DEEP TO FLANGE 3.365 IN. DIA; 0.191 IN. W TO GROOVE 0.429 IN. W; 2.995 IN. DIA DEEP TO FLANGE 3.365 IN. DIA; 0.191 IN. W TO GROOVE 0.196 IN. W; 2.888 IN. DIA TO FLANGE 0.125 IN. W; 3.050 IN. DIA; 2ND END 2.937 IN. OD; 0.835 IN. LG; 2.750-20UN-3B IN. DIA THDS; 0.200 IN. LG; 2.627 IN. ID IN; End Item Identification: AIRCRAFT B-1B. 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.
NSN 1650-01-189-8172 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.