The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-022-3656, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2530-01-022-3656 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Actuation Method | DIRECT |
| Mounting Facility Diameter | 0.406 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Provisions | 3.125 INCHES NOMINAL IN |
| Compressed Length | 14.750 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 SINGLE PORT |
| Seat Angle in Deg | 45.0 ALL PORTS |
| Extended Length | 17.750 INCHES NOMINAL IN |
| Port Thread Series Designator | UNF ALL PORTS |
| Port Thread Series Designator | UNF SINGLE PORT |
| Mounting Provision Arrangement Style | TWO HOLE |
| Port Thread Class | 2B SINGLE PORT |
| Port Thread Class | 2B ALL PORTS |
| Port Thread Quantity Per Inch | 20 SINGLE PORT |
| Port Thread Quantity Per Inch | 20 ALL PORTS |
| Port Thread Diameter | 0.438 INCHES NOMINAL SINGLE PORT IN |
| Port Thread Diameter | 0.500 INCHES NOMINAL ALL PORTS IN |
| Port Location and Quantity | 2 CYLINDER HEAD END |
| Port Style | INVERTED FLARE ALL PORTS |
| Port Style | INVERTED FLARE SINGLE PORT |
| Straight Bore Inside Diameter | 0.688 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Mounting Type and Location | FLANGE PISTON ROD END |
| Reservoir Type | INTEGRAL |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| First End Outside Diameter | 0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| E1HZ2140A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| C9TZ-2140-J | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| C9TZ 2140-J | C/1 Advisory reference — outside the item-of-supply concept Ford Motor Company |
| E1HZ2140A | 3/9 Design control — primary reference Ford Motor Company |
NSN 2530-01-022-3656 is a Cylinder Assembly,hydraulic Brak, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
Key specifications for 2530-01-022-3656: Actuation Method: DIRECT; Mounting Facility Diameter: 0.406 INCHES NOMINAL IN; Overall Height: 6.500 INCHES NOMINAL IN; Center to Center Distance Between Mounting Provisions: 3.125 INCHES NOMINAL IN. 25 specifications are 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.
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.