The Ball,valve,ported, cataloged under National Stock Number 4820-01-422-0891, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Portland Valve Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-422-0891 |
| Primary Part Number | 4IN 7150-31-2200-TTT-1 IT3 BALL |
| Item Name | Ball,valve,ported |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| Port Configuration | STRAIGHT |
| Stem Accommodation Quantity | 1 |
| Port Quantity | 2 |
| Material | STEEL |
| 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 |
|---|---|
| 4IN 7150-31-2200-TTT-1 IT3 BALL PRIMARY | Portland Valve Llc (USA) |
| Reference | Meaning |
|---|---|
| 4IN 7150-31-220 | C/1 Advisory reference — outside the item-of-supply concept Metso Automation Usa, Inc |
NSN 4820-01-422-0891 is a Ball,valve,ported, manufactured by Portland Valve Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-422-0891 has 1 manufacturer part number on file: 4IN 7150-31-2200-TTT-1 IT3 BALL (Portland Valve Llc).
Key specifications for 4IN 7150-31-2200-TTT-1 IT3 BALL: Port Configuration: STRAIGHT; Stem Accommodation Quantity: 1; Port Quantity: 2; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 4 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.