The Disk,valve, cataloged under National Stock Number 4820-01-047-9569, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-047-9569 |
| Primary Part Number | A7284.001.156 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Shank Diameter | 0.550 INCHES NOMINAL IN |
| Flange Diameter | 0.986 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| A7284.001.156 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A4712-001-127 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20249 PC5 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20249 PIECE 5 PRIMARY | Classic Mfg (USA) |
| Reference | Meaning |
|---|---|
| A4712-001-127 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A7284-001-127 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A7284.001.156 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 20249 PC5 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-047-9569 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-047-9569 has 4 manufacturer part numbers on file: A7284.001.156 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A4712-001-127 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20249 PC5 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20249 PIECE 5 (Classic Mfg).
Key specifications for A7284.001.156: Shank Diameter: 0.550 INCHES NOMINAL IN; Flange Diameter: 0.986 INCHES NOMINAL IN; Overall Height: 0.974 INCHES NOMINAL IN; Style Designator: POPPET. 4 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.