The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-033-1848, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-033-1848 |
| Primary Part Number | 6259173 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Actuation Method | DIRECT |
| Mounting Facility Diameter | 0.375 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Provisions | 3.406 INCHES NOMINAL IN |
| Seat Angle in Deg | 30.0 LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Provision Arrangement Style | TWO HOLE |
| Port Thread Class | 2B LOCATION NOT OTHERWISE SPECIFIED |
| Port Location and Quantity | 2 CENTER SECTION |
| Port Style | FLARE LOCATION NOT OTHERWISE SPECIFIED |
| Straight Bore Inside Diameter | 1.125 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Mounting Type and Location | FLANGE PISTON ROD END |
| Reservoir Type | INTEGRAL |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6259173 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 2231905 | 5/9 Secondary reference Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| 6259173 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 2530-01-033-1848 is a Cylinder Assembly,hydraulic Brak, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-033-1848 has 1 manufacturer part number on file: 6259173 (General Motors Llc Dba General Motors Llc).
Key specifications for 6259173: Actuation Method: DIRECT; Mounting Facility Diameter: 0.375 INCHES NOMINAL IN; Overall Height: 5.750 INCHES NOMINAL IN; Center to Center Distance Between Mounting Provisions: 3.406 INCHES NOMINAL IN. 13 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.