The Disk,valve, cataloged under National Stock Number 4820-01-142-8173, 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 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-142-8173 |
| Primary Part Number | 20140 PC 4 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Pressure Rating | 275.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Temp Rating | 150.0 FAHRENHEIT NOMINAL DEGF |
| Outside Diameter | 3.523 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 20140 PC 4 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A11354.001.103 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| 20140 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 20140 PC 4 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A11354.001.148 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A11354.001.103 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-142-8173 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 4820-01-142-8173 has 2 manufacturer part numbers on file: 20140 PC 4 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A11354.001.103 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 20140 PC 4: Overall Height: 0.750 INCHES NOMINAL IN; Pressure Rating: 275.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 150.0 FAHRENHEIT NOMINAL DEGF; Outside Diameter: 3.523 INCHES NOMINAL IN. 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.