The Valve,flow Control, cataloged under National Stock Number 4820-01-615-4639, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-615-4639 |
| Primary Part Number | 200479 ASSY 98 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Face Design | PLAIN |
| Operating Pressure and Type | 50.0 POUNDS PER SQUARE INCH (PSI) WASTE PRODUCT MAXIMUM REQUIRED LBS |
| Connection Type | FLANGE, ROUND W/O HOLES |
| End Connection Quantity | 2 |
| Body Material | COPPER ALLOY 903 |
| Flange Diameter | 9.0 INCHES IN |
| Face to Face Distance | 10.5 INCHES IN |
| 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 |
|---|---|
| 200479 ASSY 98 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| S4808-3233950 ASSY 98 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 4820-01-615-4639 is a Valve,flow Control, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-615-4639 has 2 manufacturer part numbers on file: 200479 ASSY 98 (Huntington Ingalls Inc Div Newport News Shipbuilding), S4808-3233950 ASSY 98 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 200479 ASSY 98: Flow Control Device: DISK; Flange Face Design: PLAIN; Operating Pressure and Type: 50.0 POUNDS PER SQUARE INCH (PSI) WASTE PRODUCT MAXIMUM REQUIRED LBS; Connection Type: FLANGE, ROUND W/O HOLES. 8 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.