The Valve,globe, cataloged under National Stock Number 4820-00-288-7450, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-288-7450 |
| Primary Part Number | 3260P 1/2INCH |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Renewable Seat Ring Type | THREADED |
| Nominal Pipe Size Accommodated | 0.840 INCHES ALL ENDS IN |
| Connection Style | STREAMLINED WITH ONE BRAZING RING ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Maximum Operating Temp | 550.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Bonnet Attachment Method | UNION |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | COPPER ALLOY 922 STEM |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 3260P 1/2INCH PRIMARY | The Walworth Company (USA) |
| 576-2100-1505161REVAPCV97 PRIMARY | Naval Sea Systems Command (USA) |
| 385-4800-1225417ALT3PCV10 PRIMARY | Naval Sea Systems Command (USA) |
| 576-2100-15-5161REVAPCV101 PRIMARY | Naval Sea Systems Command (USA) |
| 576-2100-1505161REVAPCV94 PRIMARY | Naval Sea Systems Command (USA) |
| 4DP2036APC260 1-2 PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| 260WS1-2 | 5/9 Secondary reference The Walworth Company |
| 576-2100-1505161REVAPCV97 | 5/9 Secondary reference U.S. Government activity |
| 4279-20REVAPCV97 | 5/9 Secondary reference U.S. Government activity |
| 576-2100-1505161REVAPCV94 | 5/9 Secondary reference U.S. Government activity |
| 4279-20REVAPCV101 | 5/9 Secondary reference U.S. Government activity |
| 576-2100-1505161REVAPCV101 | 5/9 Secondary reference U.S. Government activity |
| 385-4800-1225417ALT3PCV10 | 5/9 Secondary reference U.S. Government activity |
| 4279-20REVAPCV94 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-288-7450 is a Valve,globe, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-288-7450 has 6 manufacturer part numbers on file: 3260P 1/2INCH (The Walworth Company), 576-2100-1505161REVAPCV97 (Naval Sea Systems Command), 385-4800-1225417ALT3PCV10 (Naval Sea Systems Command), 576-2100-15-5161REVAPCV101 (Naval Sea Systems Command), 576-2100-1505161REVAPCV94 (Naval Sea Systems Command) and 1 more.
Key specifications for 3260P 1/2INCH: Flow Control Device: DISK; Renewable Seat Ring Type: THREADED; Nominal Pipe Size Accommodated: 0.840 INCHES ALL ENDS IN; Connection Style: STREAMLINED WITH ONE BRAZING RING ALL ENDS. 20 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.