The Valve,ball, cataloged under National Stock Number 4820-01-415-4741, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-415-4741 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Criticality Code Justification | ZZZY |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Operating Pressure | 5100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL CORROSION RESISTING BODY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| DF330670 ASSY 99 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 211083117 | 5/1 Secondary reference Naval Sea Systems Command |
| 211083117L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 801-6408789 ASSY 99 | 3/1 Design control — primary reference Naval Sea Systems Command |
| DF330670 ASSY 99L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 801-6408789 ASSY 99L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-415-4741 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-415-4741: Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Criticality Code Justification: ZZZY; Connection Type: BUTT WELD PIPE ALL ENDS; Operating Pressure: 5100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 6 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.