The Servomechanism,hydraulic-Pneumat, cataloged under National Stock Number 1650-01-345-1122, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-345-1122 |
| Item Name | Servomechanism,hydraulic-Pneumat |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS |
| 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 |
|---|---|
| A13565-1 | 3/2 Design control — primary reference U.S. Government activity |
| ZC8-87-002-4-1 | 5/9 Secondary reference Aidc/aerospace Industrial Development Corp. Dba Aidc |
NSN 1650-01-345-1122 is a Servomechanism,hydraulic-Pneumat, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1650-01-361-0132. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-01-345-1122: FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS; End Item Identification: PACER DAWN AIRCRAFT. 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.