The Cylinder Assembly,actuating,line, cataloged under National Stock Number 2530-01-259-8914, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-259-8914 |
| Primary Part Number | 1266631H91 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Design Characteristics | DOUBLE ACTING TWIN CYLINDER |
| Mounting Provision Arrangement Style | TWO HOLE |
| Features Provided | PISTON ROD |
| Mounting Provision for Which Designed | UNTHREADED MOUNTING HOLES |
| Mounting Type and Location | FLANGE CYLINDER BASE |
| 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 |
|---|---|
| 1266631H91 PRIMARY | Dressta North America Ltd (USA) |
| 1266631H91 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 4601240H91 | 5/9 Secondary reference Komatsu American Intl Co |
| 1266631H91 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 2530-01-259-8914 is a Cylinder Assembly,actuating,line, manufactured by Dressta North America Ltd, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-259-8914 has 2 manufacturer part numbers on file: 1266631H91 (Dressta North America Ltd), 1266631H91 (Komatsu America Corp.).
Key specifications for 1266631H91: Design Characteristics: DOUBLE ACTING TWIN CYLINDER; Mounting Provision Arrangement Style: TWO HOLE; Features Provided: PISTON ROD; End Item Identification: PAYLOADER,WHEEL TYPE; DRESSER INDUSTRIES MODEL 520B. 5 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.