The Disk,valve, cataloged under National Stock Number 4820-01-192-7240, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-192-7240 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Media for Which Designed | STEAM |
| 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 |
|---|---|
| C-17236-2 | 5/9 Secondary reference Kieley and Mueller Inc Sub of Johnson Controls Inc |
| E-20898 PIECE 58 | 5/9 Secondary reference Kieley and Mueller Inc Sub of Johnson Controls Inc |
| 1152647 | 5/9 Secondary reference Kieley and Mueller Inc Sub of Johnson Controls Inc |
| E-20898 | D/9 Drawing number reference only Kieley and Mueller Inc Sub of Johnson Controls Inc |
| 1152647 | 3/9 Design control — primary reference Dezurik Co a Unit of General Signal Corp |
NSN 4820-01-192-7240 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6150-01-641-5964. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-192-7240: Media for Which Designed: STEAM; Material: STEEL. 2 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.