The Valve,check, cataloged under National Stock Number 4820-01-529-9350, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-529-9350 |
| Primary Part Number | F030678 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Minimum Operating Temp | -50.0 FAHRENHEIT DEGF |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL BODY |
| Opening Pressure Setting | 20.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F030678 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CSPH103A208T | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| CSPH103A208T | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-529-9350 is a Valve,check, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-529-9350 has 1 manufacturer part number on file: F030678 (Lake Shore Systems, Inc.).
Key specifications for F030678: Minimum Operating Temp: -50.0 FAHRENHEIT DEGF; Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Part Name Assigned by Controlling Agency: PILOT PISTON STYLE PILOT OPERATED CHECK VALVE. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.