The Valve,plug, cataloged under National Stock Number 4820-00-228-0299, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-228-0299 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES FIRST END |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Nominal Length | 2.400 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 1.780 INCHES FIRST END IN |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.345 INCHES FIRST END IN |
| Flow Style | ONE-WAY ONE-PORT BOTTOM OUTLET 90 DEGREE PLUG TURN |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Bolt Hole Quantity | 2 FIRST END |
| Nominal Width | 1.040 INCHES FIRST END IN |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT SECOND END |
| Raised Face Nominal Diameter | 0.810 INCHES FIRST END IN |
| Valve Operation Method | MANUAL |
| Raised Face Nominal Height | 0.050 INCHES FIRST END IN |
| Nominal Thickness | 0.322 INCHES FIRST END IN |
| 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 |
|---|---|
| 3350488 | 3/2 Design control — primary reference U.S. Government activity |
| FC260A | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-228-0299 is a Valve,plug, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-228-0299: Flange Shape: OVAL WITH HOLES FIRST END; Flange Face Design: RAISED STRAIGHT FIRST END; Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END; Nominal Length: 2.400 INCHES FIRST END IN. 19 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.