The Piston,valve, cataloged under National Stock Number 2530-01-280-5333, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-280-5333 |
| Primary Part Number | 9363647 |
| Item Name | Piston,valve |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Outside Diameter | 0.495 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-6758,4130 MIL SPEC SINGLE MATERIAL RESPONSE |
| Valve Design Control Activity | 19200 |
| 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 |
|---|---|
| 9363647 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 2530-01-280-5333 is a Piston,valve, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-280-5333 has 1 manufacturer part number on file: 9363647 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 9363647: Outside Diameter: 0.495 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-6758,4130 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.880 INCHES NOMINAL IN; Special Features: 1 END 0.190 IN.OD BY 0.130 IN.LG;LARGEST END HAS GROOVE 0.388 IN.DIA BY 0.149 IN.WIDE IN. 4 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.