The Ball,valve,ported, cataloged under National Stock Number 4820-01-477-1982, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-477-1982 |
| Primary Part Number | V24509-20-09 DET NO4 |
| Item Name | Ball,valve,ported |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B N L Industries Inc |
| Status | ACTIVE |
| Port Diameter | 2.000 INCHES NOMINAL IN |
| Port Configuration | TEE |
| Stem Accommodation Quantity | 1 |
| Port Quantity | 3 |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY 922 |
| 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 |
|---|---|
| V24509-20-09-04 | B N L Industries Inc (USA) |
| V24509-20-09 DET NO4 PRIMARY | B N L Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| V24509-20-09-4 | C/1 Advisory reference — outside the item-of-supply concept B N L Industries Inc |
| V24509-20-09 | D/9 Drawing number reference only B N L Industries Inc |
NSN 4820-01-477-1982 is a Ball,valve,ported, manufactured by B N L Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-477-1982 has 2 manufacturer part numbers on file: V24509-20-09-04 (B N L Industries Inc), V24509-20-09 DET NO4 (B N L Industries Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-477-1988, 4820-01-477-1991. Verify interchangeability with system specifications before substitution.
Key specifications for V24509-20-09 DET NO4: Port Diameter: 2.000 INCHES NOMINAL IN; Port Configuration: TEE; Stem Accommodation Quantity: 1; Port Quantity: 3. 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.