The Valve,check, cataloged under National Stock Number 4820-01-711-0994, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-711-0994 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.875 INCHES ALL ENDS IN |
| Criticality Code Justification | ZZZY |
| Operating Pressure | 350.0 BAR MAXIMUM SINGLE RESPONSE |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | S 80P SAFETY CRITICAL ITEM SPANISH NAVY THAT REQUIRES CERTIFICATION OR ORIGIN AND TRACEAVILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| CXDA-XAN | 3/1 Design control — primary reference Sun Hydraulics Corporation |
NSN 4820-01-711-0994 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-711-0994: Nominal Pipe Size Accommodated: 0.875 INCHES ALL ENDS IN; Criticality Code Justification: ZZZY; Operating Pressure: 350.0 BAR MAXIMUM SINGLE RESPONSE; Part Name Assigned by Controlling Agency: FREE FLOW NOSE TO SIDE CHECK VALVE. 5 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.