The Piston,valve, cataloged under National Stock Number 2530-01-479-1969, 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 Oshkosh Defense Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-479-1969 |
| Primary Part Number | 2033520 |
| Item Name | Piston,valve |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Valve Type for Which Designed | DIRECTIONAL CONTROL LINEAR |
| Outside Diameter | 1.679 INCHES MINIMUM AND 1.684 INCHES MAXIMUM IN |
| Features Provided | GROOVED |
| Inside Diameter | 0.502 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Surface Treatment | CARBON |
| Valve Design Control Activity | 45152 |
| Material | STEEL |
| 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 |
|---|---|
| 2033520 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 2033520 | 5/9 Secondary reference Oshkosh Corp |
NSN 2530-01-479-1969 is a Piston,valve, manufactured by Oshkosh Defense Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-479-1969 has 1 manufacturer part number on file: 2033520 (Oshkosh Defense Llc).
Key specifications for 2033520: Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR; Outside Diameter: 1.679 INCHES MINIMUM AND 1.684 INCHES MAXIMUM IN; Overall Length: 0.580 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN; Features Provided: GROOVED. 7 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.