The Disk,valve, cataloged under National Stock Number 4820-01-113-8057, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-113-8057 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Shank Diameter | 0.365 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.365 INCHES NOMINAL IN |
| Pressure Rating | 4500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Outside Diameter | 0.687 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Material Document and Classification | AMS 5610, COMP 416SE ASSN STD SINGLE MATERIAL RESPONSE |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Media for Which Designed | GAS OR OIL |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2620-908X9 | D/9 Drawing number reference only U.S. Government activity |
| 2620-908X9 PIECE 22 1/2 IN | 3/2 Design control — primary reference U.S. Government activity |
| 2620-908X9 PIEC | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-113-8057 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-113-8057: Shank Diameter: 0.365 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.365 INCHES NOMINAL IN; Overall Height: 0.636 INCHES NOMINAL IN; Pressure Rating: 4500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 9 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.