The Ball,valve,ported, cataloged under National Stock Number 4820-01-582-3652, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nil-Cor, Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-582-3652 |
| Primary Part Number | 845-8219247-D1-DLNA-020 |
| Item Name | Ball,valve,ported |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Nil-Cor, Llc |
| Status | ACTIVE |
| Port Diameter | 3.000 INCHES NOMINAL IN |
| Spherical Diameter | 4.750 INCHES NOMINAL IN |
| Port Configuration | STRAIGHT |
| Stem Accommodation Quantity | 1 |
| Port Quantity | 2 |
| Material | PLASTIC |
| 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 |
|---|---|
| 845-8219247 ITEM 20 | Naval Sea Systems Command (USA) |
| 845-8219247-D1-DLNA-020 PRIMARY | Nil-Cor, Llc (USA) |
| 845-8219247-D1-DLNA-020 | Naval Sea Systems Command (USA) |
| 845-8219247-020 | Nil-Cor, Llc (USA) |
| Reference | Meaning |
|---|---|
| 8219247 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-582-3652 is a Ball,valve,ported, manufactured by Nil-Cor, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-582-3652 has 4 manufacturer part numbers on file: 845-8219247 ITEM 20 (Naval Sea Systems Command), 845-8219247-D1-DLNA-020 (Nil-Cor, Llc), 845-8219247-D1-DLNA-020 (Naval Sea Systems Command), 845-8219247-020 (Nil-Cor, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-614-0717. Verify interchangeability with system specifications before substitution.
Key specifications for 845-8219247-D1-DLNA-020: Port Diameter: 3.000 INCHES NOMINAL IN; Spherical Diameter: 4.750 INCHES NOMINAL IN; Port Configuration: STRAIGHT; Stem Accommodation Quantity: 1. 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.