The Valve,y, cataloged under National Stock Number 4820-00-202-7422, 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 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-202-7422 |
| Primary Part Number | 5585 1-2 |
| Item Name | Valve,y |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Renewable Seat Ring Type | PRESSED-IN |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU Y-PATTERN |
| Material Document and Classification | ASTM A217,GRADE WC6 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 975.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | INTEGRAL |
| Test Data Document | 05047-ASAB16.5 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 2DP2425HPC5585 1-2 | The Walworth Company (USA) |
| 5585 1-2 PRIMARY | The Walworth Company (USA) |
| 571-5800-1303235PCV37 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 571-5800-1303235PCV37 | 5/9 Secondary reference U.S. Government activity |
| 3665-154PCV37 | 3/2 Design control — primary reference U.S. Government activity |
| 5515B1-2 | 3/9 Design control — primary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
NSN 4820-00-202-7422 is a Valve,y, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-202-7422 has 3 manufacturer part numbers on file: 2DP2425HPC5585 1-2 (The Walworth Company), 5585 1-2 (The Walworth Company), 571-5800-1303235PCV37 (Naval Sea Systems Command).
Key specifications for 5585 1-2: Flow Control Device: DISK; Renewable Seat Ring Type: PRESSED-IN; Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS. 18 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.