The Disk,valve, cataloged under National Stock Number 4820-01-231-9919, 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5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-231-9919 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Pressure Rating | 350.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 550.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Temp Rating | 650.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AISI 304 ASSN STD SINGLE MATERIAL RESPONSE |
| Media for Which Designed | STEAM OR WATER |
| Material | STEEL COMP 304 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 213624 ITEM 3 | 5/9 Secondary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| 213624 | D/9 Drawing number reference only Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| 0376101 | 3/9 Design control — primary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
NSN 4820-01-231-9919 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-231-9919: Pressure Rating: 350.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 550.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Temp Rating: 650.0 FAHRENHEIT NOMINAL DEGF; Material Document and Classification: AISI 304 ASSN STD SINGLE MATERIAL RESPONSE; Media for Which Designed: STEAM OR WATER. 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.