The Stem,fluid Valve, cataloged under National Stock Number 4820-01-574-8795, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dante Valve Company. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-574-8795 |
| Primary Part Number | B8022M |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Valve Type for Which Designed | ANGLE |
| Stem Actuating End Type | ROUNDED |
| Valve Model Number for Which Designed | D50-0016 |
| Material Document and Classification | MONEL/400 ASTM B164 FED STD SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| D50-0016 ITEM 9 | Dante Valve Company (USA) |
| B8022M PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| B8022M | 3/9 Design control — primary reference Danco Valve Company |
| D50-0016 ITEM 9 | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-574-8795 is a Stem,fluid Valve, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-574-8795 has 2 manufacturer part numbers on file: D50-0016 ITEM 9 (Dante Valve Company), B8022M (Dante Valve Company).
Key specifications for B8022M: Valve Type for Which Designed: ANGLE; Stem Actuating End Type: ROUNDED; Valve Model Number for Which Designed: D50-0016; Material Document and Classification: MONEL/400 ASTM B164 FED STD SINGLE MATERIAL RESPONSE. 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.