The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-003-0020, 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 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-003-0020 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Mounting Facility Thread Class | 2B |
| Bleeding Feature Quantity | 1 |
| Compressed Length | 7.313 INCHES NOMINAL IN |
| Extended Length | 8.813 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | THREE HOLE TRIANGULAR |
| Longest Vertical Distance Between Mounting Centers | 1.750 INCHES NOMINAL IN |
| Shortest Horizontal Distance Between Mounting Centers | 1.500 INCHES NOMINAL IN |
| Mounting Facility Thread Quantity Per Inch | 20 |
| Mounting Facility Thread Length | 0.750 INCHES NOMINAL IN |
| Mounting Facility Thread Diameter | 0.438 INCHES NOMINAL IN |
| Mounting Facility Thread Series Designator | UNF |
| Mounting Type and Location | STUD(S) CENTER SECTION |
| 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 |
|---|---|
| 501AZ | 3/9 Design control — primary reference Mico Instrument Co |
| 02-020-056 | 5/2 Secondary reference U.S. Government activity |
NSN 2530-00-003-0020 is a Cylinder Assembly,hydraulic Brak, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
Key specifications for 2530-00-003-0020: Overall Height: 4.938 INCHES NOMINAL IN; Mounting Facility Thread Class: 2B; Bleeding Feature Quantity: 1; Compressed Length: 7.313 INCHES NOMINAL IN. 16 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.