The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-038-6044, 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 Dana Off Highway Products, Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2530-01-038-6044 |
| Primary Part Number | 1728501 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Actuation Method | DIRECT |
| Mounting Facility Diameter | 0.390 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Provisions | 3.437 INCHES NOMINAL IN |
| Compressed Length | 7.218 INCHES NOMINAL IN |
| Port Thread Series Designator | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Provision Arrangement Style | TWO HOLE |
| 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 | 1 CYLINDER HEAD END |
| Port Style | FLARE LOCATION NOT OTHERWISE SPECIFIED |
| Straight Bore Inside Diameter | 0.750 INCHES NOMINAL IN |
| Material | IRON CAST BODY |
| Mounting Type and Location | FLANGE CYLINDER HEAD 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 |
|---|---|
| 1728501 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 635683 | D/9 Drawing number reference only Clark Equipment Co |
| 1728501 | 5/9 Secondary reference Clark Equipment Co |
NSN 2530-01-038-6044 is a Cylinder Assembly,hydraulic Brak, manufactured by Dana Off Highway Products, Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-038-6044 has 1 manufacturer part number on file: 1728501 (Dana Off Highway Products, Llc).
Key specifications for 1728501: Actuation Method: DIRECT; Mounting Facility Diameter: 0.390 INCHES NOMINAL IN; Overall Height: 3.437 INCHES NOMINAL IN; Center to Center Distance Between Mounting Provisions: 3.437 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.