The Swivel Joint,hydraulic,aircraft, cataloged under National Stock Number 1650-01-504-3951, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-504-3951 |
| Primary Part Number | A51H9041-5 |
| Item Name | Swivel Joint,hydraulic,aircraft |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| A51H9041-5 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51H9041-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-504-3951 is a Swivel Joint,hydraulic,aircraft, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-504-3951 has 1 manufacturer part number on file: A51H9041-5 (Northrop Grumman Systems Corporation).
Key specifications for A51H9041-5: Special Features: CRIT CODE JUST--SAFE FOR FLIGHT ITEM, SWIVEL IS INTENDED FOR USE IN THE HYDRAULIC SYSTEM OF THE F-14A WEAPONS SYSTEM--PROVIDES CONNECTION BETWEEN RIGIDLY MOUNTED TUBING AND A HYDRAULIC UNIT A; Part Name Assigned by Controlling Agency: JOINT,HYDRAULIC,SWIVEL-RETURN LINE -10,WING SWEEP; End Item Identification: F-14B AND D FIGHTER AIRCRAFT. 0 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 1650-01-504-3951 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.