The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-104-4729, 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 Dressta North America Ltd. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-104-4729 |
| Primary Part Number | 150759 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Actuation Method | DIRECT |
| Mounting Facility Diameter | 0.405 INCHES NOMINAL IN |
| Port Thread Series Designator | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Provision Arrangement Style | THREE HOLE TRIANGULAR |
| Longest Vertical Distance Between Mounting Centers | 2.438 INCHES NOMINAL IN |
| Shortest Horizontal Distance Between Mounting Centers | 1.406 INCHES NOMINAL IN |
| Port Thread Class | 2B LOCATION NOT OTHERWISE SPECIFIED |
| Port Thread Quantity Per Inch | 20 LOCATION NOT OTHERWISE SPECIFIED |
| Port Thread Diameter | 0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Port Location and Quantity | 2 CYLINDER HEAD END |
| Port Style | GASKET SEAL LOCATION NOT OTHERWISE SPECIFIED |
| Straight Bore Inside Diameter | 1.500 INCHES NOMINAL IN |
| Material | IRON CAST BODY |
| Mounting Type and Location | FLANGE PISTON ROD END |
| Reservoir Type | INTEGRAL |
| Stoplight Switch Thread Series Designator | NPT |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| Longest Horizontal Distance Between Mounting Centers | 2.812 INCHES NOMINAL IN |
| Stoplight Switch Nominal Pipe Thread Size | 0.125 INCHES IN |
| 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 |
|---|---|
| 130670 | Komatsu America Corporation (USA) |
| 150759 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 150759 | 5/9 Secondary reference Komatsu America Corporation |
| D-150759 | 5/9 Secondary reference Komatsu America Corporation |
| D-130670 | 5/9 Secondary reference Komatsu America Corporation |
NSN 2530-01-104-4729 is a Cylinder Assembly,hydraulic Brak, manufactured by Dressta North America Ltd, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-104-4729 has 2 manufacturer part numbers on file: 130670 (Komatsu America Corporation), 150759 (Dressta North America Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-588-0377. Verify interchangeability with system specifications before substitution.
Key specifications for 150759: Actuation Method: DIRECT; Mounting Facility Diameter: 0.405 INCHES NOMINAL IN; Overall Height: 6.125 INCHES NOMINAL IN; Port Thread Series Designator: UNF LOCATION NOT OTHERWISE SPECIFIED. 19 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.