The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-409-8688, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2530-00-409-8688 |
| Primary Part Number | 2622260 |
| 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 | 0.395 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Provisions | 3.350 INCHES NOMINAL IN |
| Seat Angle in Deg | 42.0 LOCATION NOT OTHERWISE SPECIFIED |
| Port Thread Series Designator | UNS LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Provision Arrangement Style | TWO HOLE |
| Port Thread Class | 2B LOCATION NOT OTHERWISE SPECIFIED |
| Port Thread Quantity Per Inch | 24 LOCATION NOT OTHERWISE SPECIFIED |
| Port Thread Diameter | 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Port Location and Quantity | 1 CYLINDER HEAD END |
| Port Style | INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED |
| Straight Bore Inside Diameter | 1.250 INCHES NOMINAL IN |
| Material | IRON CAST 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 |
|---|---|
| 2622260 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 5467821 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 2622260 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 2530-00-409-8688 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 2530-00-409-8688 has 1 manufacturer part number on file: 2622260 (General Motors Llc Dba General Motors Llc).
Key specifications for 2622260: Actuation Method: DIRECT; Mounting Facility Diameter: 0.395 INCHES NOMINAL IN; Overall Height: 5.500 INCHES NOMINAL IN; Center to Center Distance Between Mounting Provisions: 3.350 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.