The Pressure Module,hyd, cataloged under National Stock Number 1650-00-100-4765, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Pressure Module,hyd |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 26512) |
| Parameter | Value |
|---|---|
| NSN | 1650-00-100-4765 |
| Item Name | Pressure Module,hyd |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| A51H9021-13 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51H9021-13 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 711207-7 | 3/3 Design control — primary reference U.S. Government activity |
| A51H9021-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 1650-00-100-4765 is a Pressure Module,hyd, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-100-4765 has 1 manufacturer part number on file: A51H9021-13 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-075-6048, 4820-01-232-2828. Verify interchangeability with system specifications before substitution.
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 1650-00-100-4765 has DEMIL Code D. 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.