The Valve,check, cataloged under National Stock Number 4820-01-459-2433, 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5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-459-2433 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Criticality Code Justification | AGAV |
| Style Designator | STRAIGHT THRU |
| Material | STEEL COMP 303 OVERALL |
| 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 | Y |
| Reference | Meaning |
|---|---|
| 2C6228 | 3/2 Design control — primary reference U.S. Government activity |
| 25413-1 | 5/9 Secondary reference Cadillac Controls Division of Ex-Cell-O Corp |
NSN 4820-01-459-2433 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-459-2433: Mounting Position: HORIZONTAL OR VERTICAL; Criticality Code Justification: AGAV; Style Designator: STRAIGHT THRU; Special Features: NEXT HIGHER ASSY 1650-00-402-6609 CYLINDER ASSEMBLY, ACTUATING, LINEAR. 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.