The Ball,valve,ported, cataloged under National Stock Number 4820-01-137-9258, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Portland Valve Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ball,valve,ported |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Portland Valve Llc (CAGE 53154) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-137-9258 |
| Primary Part Number | 001-0550-15 |
| Item Name | Ball,valve,ported |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 001-0550-15 PRIMARY | Portland Valve Llc (USA) |
| Reference | Meaning |
|---|---|
| 001-0550-11 | 5/9 Secondary reference Portland Valve Llc |
| S-2750 | D/9 Drawing number reference only Portland Valve Llc |
NSN 4820-01-137-9258 is a Ball,valve,ported, manufactured by Portland Valve Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-137-9258 has 1 manufacturer part number on file: 001-0550-15 (Portland Valve Llc).
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.