The Stem,fluid Valve, cataloged under National Stock Number 4820-01-486-6580, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-486-6580 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Type for Which Designed | BALL |
| Stem Actuating End Type | FLATTED AND THREADED EXTERNALLY |
| Valve Model Number for Which Designed | 1"4466TSEV36 |
| Material Document and Classification | ASTM A479 GR. 316 S.S. ASSN STD SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 1.000 INCHES IN |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| 1"4466TSEV36 STEM | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-486-6580 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-486-6580: Valve Type for Which Designed: BALL; Stem Actuating End Type: FLATTED AND THREADED EXTERNALLY; Valve Model Number for Which Designed: 1"4466TSEV36; Material Document and Classification: ASTM A479 GR. 316 S.S. ASSN STD SINGLE MATERIAL RESPONSE. 6 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.