The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-024-6857, 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 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-024-6857 |
| 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 Thread Class | 2B |
| Mounting Provision Arrangement Style | FOUR HOLE SQUARE |
| Longest Vertical Distance Between Mounting Centers | 3.093 INCHES NOMINAL IN |
| Mounting Facility Thread Quantity Per Inch | 16 |
| Mounting Facility Thread Length | 0.500 INCHES NOMINAL IN |
| Mounting Facility Thread Diameter | 0.375 INCHES NOMINAL IN |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | IRON BODY |
| Mounting Type and Location | BOSS BOTH ENDS |
| Reservoir Type | INTEGRAL |
| Mounting Facility Thread Direction | RIGHT-HAND |
| Mounting Provision | THREADED MOUNTING HOLES |
| Longest Horizontal Distance Between Mounting Centers | 3.000 INCHES NOMINAL 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 |
|---|---|
| 02-020-067 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2530-01-024-6857 is a Cylinder Assembly,hydraulic Brak, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
Key specifications for 2530-01-024-6857: Actuation Method: DIRECT; Overall Height: 5.000 INCHES NOMINAL IN; Mounting Facility Thread Class: 2B; Mounting Provision Arrangement Style: FOUR HOLE SQUARE. 14 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.