The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-01-287-8979, 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 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2530-01-287-8979 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Status | ACTIVE |
| Bleeding Feature Quantity | 1 |
| Piston Rod End Similarity | IDENTICAL |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Mounting Position | RIGHT |
| Mounting Provision Arrangement Style | TWO SLOT |
| First Piston Rod End Style | SLOT TYPE LOCATION NOT OTHERWISE SPECIFIED |
| Bore Type | STRAIGHT |
| Features Provided | RUBBER BOOT |
| Mounting Type and Location | ROD BOTH ENDS |
| Mounting Provision | SLOT |
| 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 |
|---|---|
| 160-614 | 3/9 Design control — primary reference The Charles Machine Works Inc Dba Ditch Witch |
NSN 2530-01-287-8979 is a Cylinder Assembly,hydraulic Brak, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2815-01-412-9618. Verify interchangeability with system specifications before substitution.
Key specifications for 2530-01-287-8979: Bleeding Feature Quantity: 1; Piston Rod End Similarity: IDENTICAL; Design Characteristics: SINGLE ACTING SINGLE CYLINDER; Mounting Position: RIGHT. 10 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.