The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 2530-00-875-8396, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-875-8396 |
| Primary Part Number | 4K5968 |
| Item Name | Cylinder Assembly,hydraulic Brak |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Center to Center Distance Between Mounting Provisions | 2.125 INCHES NOMINAL IN |
| Mounting Facility Thread Class | 2B |
| Bleeding Feature Quantity | 1 |
| Compressed Length | 5.500 INCHES NOMINAL IN |
| Extended Length | 5.500 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNF SINGLE PORT |
| Mounting Provision Arrangement Style | TWO HOLE |
| Mounting Facility Thread Quantity Per Inch | 16 |
| Bore Type | STRAIGHT |
| Port Thread Class | 2B SINGLE PORT |
| Features Provided | RUBBER BOOT |
| Port Thread Quantity Per Inch | 20 SINGLE PORT |
| Mounting Facility Thread Length | 0.438 INCHES NOMINAL IN |
| Port Thread Diameter | 0.500 INCHES NOMINAL SINGLE PORT IN |
| Mounting Facility Thread Diameter | 0.375 INCHES NOMINAL IN |
| Port Location and Quantity | 1 CENTER SECTION |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Bore Diameter | 2.000 INCHES NOMINAL IN |
| Mounting Type and Location | FLANGE CENTER SECTION |
| Mounting Facility Thread Direction | RIGHT-HAND |
| Mounting Provision | THREADED 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 |
|---|---|
| F40462 | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| AB0900F40462 | Brighton Cromwell Llc (USA) |
| 4K5968 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 90F40462 | Tvh Parts Co. (USA) |
| FD40462 PRIMARY | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| Reference | Meaning |
|---|---|
| 90F40462 | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
| AB0900F40462 | 5/9 Secondary reference Ar Bee Corp |
| FD40462A | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| A3761L90 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
NSN 2530-00-875-8396 is a Cylinder Assembly,hydraulic Brak, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-875-8396 has 5 manufacturer part numbers on file: F40462 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), AB0900F40462 (Brighton Cromwell Llc), 4K5968 (Caterpillar Inc Div Caterpillar Defense), 90F40462 (Tvh Parts Co.), FD40462 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div).
Key specifications for 4K5968: Center to Center Distance Between Mounting Provisions: 2.125 INCHES NOMINAL IN; Mounting Facility Thread Class: 2B; Bleeding Feature Quantity: 1; Compressed Length: 5.500 INCHES NOMINAL IN. 22 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.