The Ball,valve,ported, cataloged under National Stock Number 4820-01-582-3288, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-582-3288 |
| Primary Part Number | 845-8219247-REV DIA-018 |
| Item Name | Ball,valve,ported |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Nil-Cor, Llc |
| Status | ACTIVE |
| Port Diameter | 1.880 INCHES NOMINAL IN |
| Spherical Diameter | 3.250 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-REV DIA-018 PRIMARY | Nil-Cor, Llc (USA) |
| Reference | Meaning |
|---|---|
| 845-8219247-D1-BLNA-018 | 5/9 Secondary reference Nil-Cor, Llc |
| 845-8219247-D1-BLNA-018 | 5/9 Secondary reference Naval Sea Systems Command |
| 845-8219247 ITEM 18 | 5/9 Secondary reference Naval Sea Systems Command |
| 845-8219247, REV DIA | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-582-3288 is a Ball,valve,ported, manufactured by Nil-Cor, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-582-3288 has 1 manufacturer part number on file: 845-8219247-REV DIA-018 (Nil-Cor, Llc).
Key specifications for 845-8219247-REV DIA-018: Port Diameter: 1.880 INCHES NOMINAL IN; Spherical Diameter: 3.250 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.