The Valve,ball, cataloged under National Stock Number 4820-00-925-0701, 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19 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-925-0701 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flange Shape | ROUND SECOND END |
| Flange Shape | ROUND FIRST END |
| Renewable Seat Ring Type | PRESSED-IN |
| Flange Face Design | PLAIN FIRST END |
| Flange Face Design | PLAIN SECOND END |
| Criticality Code Justification | ZZZY |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 650.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | PACKING RETAINING |
| Nominal Outside Diameter | 4.500 INCHES FIRST END IN |
| Nominal Outside Diameter | 3.562 INCHES SECOND END IN |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Material | COPPER ALLOY 964 BODY |
| Material | TITANIUM ALLOY UNS R56400 FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.688 INCHES SECOND END IN |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 2640-240BSCBUNAL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SSBN598-516-2181934BSC | 5/1 Secondary reference U.S. Government activity |
| 2640-240BSCBUNA | 5/1 Secondary reference U.S. Government activity |
| 2641-740ASSYIRAT,IRBTL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2641-740ASSYIRAT,IRBT | 3/1 Design control — primary reference U.S. Government activity |
| SS845-2180776FBSCL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SSBN598-516-2181934BSCL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SS845-2180776FBSC | 5/1 Secondary reference U.S. Government activity |
NSN 4820-00-925-0701 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-925-0701: Flange Shape: ROUND SECOND END; Flange Shape: ROUND FIRST END; Renewable Seat Ring Type: PRESSED-IN; Flange Face Design: PLAIN FIRST END. 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.
NSN 4820-00-925-0701 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.