The Valve,ball, cataloged under National Stock Number 4820-01-504-2050, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-504-2050 |
| Primary Part Number | EBV-S2-24-0001 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B N L Industries Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | COPPER ALLOY AND NICKEL ALLOY STEM |
| Material | TITANIUM ALLOY FLOW CONTROL DEVICE |
| Valve Operation Method | ELECTRIC MOTOR |
| 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-S2-24-0001 PRIMARY | B N L Industries Inc (USA) |
NSN 4820-01-504-2050 is a Valve,ball, manufactured by B N L Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-504-2050 has 1 manufacturer part number on file: EBV-S2-24-0001 (B N L Industries Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-504-2057, 4820-01-504-2061, 4820-01-504-2064. Verify interchangeability with system specifications before substitution.
Key specifications for EBV-S2-24-0001: Style Designator: STRAIGHT THRU; Material: COPPER ALLOY BODY; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT; Material: COPPER ALLOY AND NICKEL ALLOY STEM. 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.