The Valve,butterfly, cataloged under National Stock Number 4820-01-592-2029, 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3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-592-2029 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Size | 6.000 INCHES IN |
| Material | ALUMINUM OVERALL |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 06390828F540-1A | 3/9 Design control — primary reference Bray International, Inc. Dba Ultraflo |
| 6-390-828540-1A | 5/9 Secondary reference Bray International, Inc. Dba Ultraflo |
NSN 4820-01-592-2029 is a Valve,butterfly, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-592-2029: Valve Size: 6.000 INCHES IN; Special Features: ITEM HAS 10 POSITION HANDLE; Part Name Assigned by Controlling Agency: ULTRAFLO 390 VALVE 2-12 NCH WAER BODY, ONE PIECE DISC- STEM 316 SS OR ELASTOMER COVERED; ELASTOMER SEAT; Material: ALUMINUM OVERALL. 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.