The Valve,check, cataloged under National Stock Number 4820-01-449-4545, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Vogt Edward Valve Co a British Tire & Rubber Co. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-449-4545 |
| Primary Part Number | FIG 1038Y 1.250IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Vogt Edward Valve Co a British Tire & Rubber Co |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 1.250 INCHES ALL ENDS IN |
| Connection Style | REDUCED SOCKET (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 850.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Material | STEEL BODY |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| FIG 1038Y 1.250IN PRIMARY | Vogt Edward Valve Co a British Tire & Rubber Co (USA) |
| D-475025 FIG 1038Y 1.250IN | Vogt Edward Valve Co a British Tire & Rubber Co (USA) |
NSN 4820-01-449-4545 is a Valve,check, manufactured by Vogt Edward Valve Co a British Tire & Rubber Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-449-4545 has 2 manufacturer part numbers on file: FIG 1038Y 1.250IN (Vogt Edward Valve Co a British Tire & Rubber Co), D-475025 FIG 1038Y 1.250IN (Vogt Edward Valve Co a British Tire & Rubber Co).
Key specifications for FIG 1038Y 1.250IN: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN; Connection Style: REDUCED SOCKET (PIPE) ALL ENDS; Mounting Position: HORIZONTAL. 12 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.