The End Fitting,brake Actuator Hydra, cataloged under National Stock Number 1630-00-004-2811, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-004-2811 |
| Item Name | End Fitting,brake Actuator Hydra |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,MIL-A-22771,COMPOSITION 7075,TEMPER T73,7.400 IN. LG,4.600 IN. W,0.125 IN. THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A51H30585-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51H30585-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51H30585-1 | 5/9 Secondary reference Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport |
| A51H30585-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 1630-00-004-2811 is a End Fitting,brake Actuator Hydra, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
Key specifications for 1630-00-004-2811: General Characteristics Item Description: ALUMINUM ALLOY,MIL-A-22771,COMPOSITION 7075,TEMPER T73,7.400 IN. LG,4.600 IN. W,0.125 IN. THK IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1630-00-004-2811 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.