The Valve,globe, cataloged under National Stock Number 4820-01-312-1818, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Young & Cunningham America, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-312-1818 |
| Primary Part Number | 2557 25MM-1IN |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Young & Cunningham America, Inc. |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND ALL ENDS |
| Furnished Items and Quantity | 1 HANDWHEEL AND 1 WASHER |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL BODY |
| 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 |
|---|---|
| 2557 25MM-1IN PRIMARY | Young & Cunningham America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2557 25MM | 3/9 Design control — primary reference Young and Cunningham America Inc a Joint Venture |
NSN 4820-01-312-1818 is a Valve,globe, manufactured by Young & Cunningham America, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-312-1818 has 1 manufacturer part number on file: 2557 25MM-1IN (Young & Cunningham America, Inc.).
Key specifications for 2557 25MM-1IN: Flow Control Device: DISK; Flange Shape: ROUND ALL ENDS; Furnished Items and Quantity: 1 HANDWHEEL AND 1 WASHER; Flange Face Design: PLAIN ALL ENDS. 10 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.