The Valve,ball, cataloged under National Stock Number 4820-01-580-0704, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is B N L Industries Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4820-01-580-0704 |
| Primary Part Number | EBV-F3-40-0340 VALVE ONLY |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B N L Industries Inc |
| Status | ACTIVE |
| Style Designator | CROSS FLANGED ENDS |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 4.000 INCHES IN |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Material | BRONZE BODY |
| 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 |
| Part Number | Manufacturer |
|---|---|
| EBV-F3-40-0340 VALVE ONLY PRIMARY | B N L Industries Inc (USA) |
| EBV-F3-40-0340 REV 01 | B N L Industries Inc (USA) |
NSN 4820-01-580-0704 is a Valve,ball, manufactured by B N L Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-580-0704 has 2 manufacturer part numbers on file: EBV-F3-40-0340 VALVE ONLY (B N L Industries Inc), EBV-F3-40-0340 REV 01 (B N L Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-580-4905. Verify interchangeability with system specifications before substitution.
Key specifications for EBV-F3-40-0340 VALVE ONLY: Style Designator: CROSS FLANGED ENDS; Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 4.000 INCHES IN; Media for Which Designed: WATER, SALT SINGLE 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.