The Stop,piston, cataloged under National Stock Number 1650-01-142-7995, 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 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1650-01-142-7995 |
| Item Name | Stop,piston |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | A/C HYDRAULIC SYSTEM |
| General Characteristics Item Description | ALUMINUM ALLOY 2024-T351 AMS 4119 OR QQ-A-225/6 OR 2024-3511 OR 2014-T6 QQ-A-367 OR AMS4135; ANODIZED FINISH MIL-A-8625 TYPE 1 OR 2; 4.200 IN. LG; 2.665 IN. OD; 2.000 IN. ID; FIRST END FLANGED 2.665 IN. DIA; 0.250 IN. W; 2.310 IN. DIA; 3.765 IN. LG TO SECOND END; SECOND END 2.665 IN. DIA; FLANGE 0.125 IN. W TO GROOVE 2.310 IN. DIA; 0.285 IN. W; FLANGE 0.125 IN. W TO 2.310 IN. DIA IN |
| 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 |
|---|---|
| 3821125-101 | 5/9 Secondary reference U.S. Government activity |
| 3821125-101 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 3821125-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-142-7995 is a Stop,piston, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-142-7995: FSC Application Data: A/C HYDRAULIC SYSTEM; General Characteristics Item Description: ALUMINUM ALLOY 2024-T351 AMS 4119 OR QQ-A-225/6 OR 2024-3511 OR 2014-T6 QQ-A-367 OR AMS4135; ANODIZED FINISH MIL-A-8625 TYPE 1 OR 2; 4.200 IN. LG; 2.665 IN. OD; 2.000 IN. ID; FIRST END FLANGED 2.665 IN. DIA; 0.250 IN. W; 2.310 IN. DIA; 3.765 IN. LG TO SECOND END; SECOND END 2.665 IN. DIA; FLANGE 0.125 IN. W TO GROOVE 2.310 IN. DIA; 0.285 IN. W; FLANGE 0.125 IN. W TO 2.310 IN. DIA IN. 2 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 1650-01-142-7995 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.