The Stem,fluid Valve, cataloged under National Stock Number 4820-01-448-9887, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Magnatrol Valve Corp Div Clark-Cooper. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-448-9887 |
| Primary Part Number | ADV-655B-12 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Magnatrol Valve Corp Div Clark-Cooper |
| Status | ACTIVE |
| Valve Type for Which Designed | SOLENOID |
| Stem Actuating End Type | FLATTED |
| Valve Model Number for Which Designed | EV10M41WUE |
| Valve Size for Which Designed | 0.375 INCHES IN |
| 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 |
|---|---|
| ADV-655B-12 PRIMARY | Magnatrol Valve Corp Div Clark-Cooper (USA) |
| Reference | Meaning |
|---|---|
| ADV-655B ITEM 12 | 5/9 Secondary reference Magnatrol Valve Corp Div Clark-Cooper |
| ADV-655B | D/9 Drawing number reference only Magnatrol Valve Corp Div Clark-Cooper |
NSN 4820-01-448-9887 is a Stem,fluid Valve, manufactured by Magnatrol Valve Corp Div Clark-Cooper, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-448-9887 has 1 manufacturer part number on file: ADV-655B-12 (Magnatrol Valve Corp Div Clark-Cooper).
Key specifications for ADV-655B-12: Valve Type for Which Designed: SOLENOID; Stem Actuating End Type: FLATTED; Valve Model Number for Which Designed: EV10M41WUE; Valve Size for Which Designed: 0.375 INCHES IN. 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.