The Disk,valve, cataloged under National Stock Number 4820-01-232-7198, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-232-7198 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Outside Diameter | 6.438 INCHES NOMINAL IN |
| Style Designator | SWING CHECK |
| Material Document and Classification | AISI 304 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| SMO-12AL INDEX 4 | 3/9 Design control — primary reference Prince Valve Inc |
| 2461-001 | C/1 Advisory reference — outside the item-of-supply concept Prince Valve Inc |
NSN 4820-01-232-7198 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-232-7198: Outside Diameter: 6.438 INCHES NOMINAL IN; Style Designator: SWING CHECK; Material Document and Classification: AISI 304 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: INCL DISK AND ARM; VALVE SIZE 8.000 IN. IN. 4 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.