The Disk,valve, cataloged under National Stock Number 4820-01-271-7190, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-271-7190 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Outside Diameter | 5.056 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/9, ALLOY 7075, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY 7075 |
| 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 |
|---|---|
| 365D089 | D/9 Drawing number reference only Bfm Energy Products Corp |
| 365D089-1 | 3/9 Design control — primary reference Bfm Energy Products Corp |
NSN 4820-01-271-7190 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-271-7190: Overall Height: 2.125 INCHES NOMINAL IN; Outside Diameter: 5.056 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/9, ALLOY 7075, T6 FED SPEC SINGLE MATERIAL RESPONSE; Material: ALUMINUM ALLOY 7075. 3 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.