The Fitting,valve,hydraulic System, cataloged under National Stock Number 1650-00-587-9081, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-587-9081 |
| Item Name | Fitting,valve,hydraulic System |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,QQ-A-268,TEMPER T4; BOTH ENDS THREADED ON THE RUN; ONE END IS 3/4-16-UNF-3A THREAD,OTHER END IS 9/16-18-UNF-3A THREAD; WITH ONE SIDE INLET THREADED 3/4-16-UNF-3A THREAD ON A 45 DEGREE ANGLE; ALL THREE ENDS ARE FLARELESS WITH A 12 DEGREE SEAT ANGLE A |
| 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 |
|---|---|
| CV15-501539-1 | 3/2 Design control — primary reference U.S. Government activity |
| CV15-501539 | D/9 Drawing number reference only U.S. Government activity |
NSN 1650-00-587-9081 is a Fitting,valve,hydraulic System, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-00-587-9081: General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-268,TEMPER T4; BOTH ENDS THREADED ON THE RUN; ONE END IS 3/4-16-UNF-3A THREAD,OTHER END IS 9/16-18-UNF-3A THREAD; WITH ONE SIDE INLET THREADED 3/4-16-UNF-3A THREAD ON A 45 DEGREE ANGLE; ALL THREE ENDS ARE FLARELESS WITH A 12 DEGREE SEAT ANGLE A. 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.