The Cylinder,hydraulic Brake,master, cataloged under National Stock Number 2530-01-193-4690, 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 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-193-4690 |
| Item Name | Cylinder,hydraulic Brake,master |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Actuation Method | DIRECT |
| Mounting Provision Arrangement Style | FOUR STUD SQUARE |
| Reservoir Type | INTEGRAL |
| Mounting Provision | THREADED MOUNTING STUDS |
| 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 |
|---|---|
| 61884 | 5/9 Secondary reference Taylor-Dunn Corporation Dba Metro Crown International |
| 2225080 | 3/9 Design control — primary reference Bendix Corp the Brake and Steering Div |
NSN 2530-01-193-4690 is a Cylinder,hydraulic Brake,master, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-295-4424, 5920-01-666-1590. Verify interchangeability with system specifications before substitution.
Key specifications for 2530-01-193-4690: Actuation Method: DIRECT; Mounting Provision Arrangement Style: FOUR STUD SQUARE; Reservoir Type: INTEGRAL; Mounting Provision: THREADED MOUNTING STUDS. 4 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.