The Valve,globe, cataloged under National Stock Number 4820-00-923-4580, 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 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-923-4580 |
| Primary Part Number | A9875-3Y |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Renewable Seat Ring Type | WELDED |
| Nominal Pipe Size Accommodated | 3.000 INCHES FIRST END IN |
| Connection Style | BEVELED (PIPE) FIRST END |
| Connection Type | BUTT WELD PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 775.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | D COMPOSITION |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | COBALT ALLOY SEAT |
| 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 |
|---|---|
| A9875-3Y | The Walworth Company (USA) |
| N11262-9875-3Y | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| MILV22052 | 5/9 Secondary reference U.S. Government activity |
| 2620-922X1ASSYGS | 5/1 Secondary reference The Walworth Company |
| 2620-922X1ASSYGS | 5/9 Secondary reference U.S. Government activity |
| SS845-1889550ASSYGS | 5/1 Secondary reference U.S. Government activity |
| 10-02-0062 | 3/2 Design control — primary reference U.S. Government activity |
| MIL-DTL-22052 | 4/1 Identification reference U.S. Government activity |
NSN 4820-00-923-4580 is a Valve,globe, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-923-4580 has 2 manufacturer part numbers on file: A9875-3Y (The Walworth Company), N11262-9875-3Y (The Walworth Company).
2 possible matches (shared part number, not a government interchangeability claim): 5910-01-021-5288, 2590-01-591-9768. Verify interchangeability with system specifications before substitution.
Key specifications for A9875-3Y: Flow Control Device: DISK; Renewable Seat Ring Type: WELDED; Nominal Pipe Size Accommodated: 3.000 INCHES FIRST END IN; Connection Style: BEVELED (PIPE) FIRST END. 15 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.