The Valve,ball, cataloged under National Stock Number 4820-01-595-6767, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Porter Manufacturing, L.l.c. Dba Porter Manufacturing Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-595-6767 |
| Primary Part Number | 4820-1864 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Porter Manufacturing, L.l.c. Dba Porter Manufacturing Corp |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 4820-1864 PRIMARY | Porter Manufacturing, L.l.c. Dba Porter Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 940171 | 5/9 Secondary reference Vianney Industries, Llc Dba Midland Metal Manufacturing Company |
NSN 4820-01-595-6767 is a Valve,ball, manufactured by Porter Manufacturing, L.l.c. Dba Porter Manufacturing Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-595-6767 has 1 manufacturer part number on file: 4820-1864 (Porter Manufacturing, L.l.c. Dba Porter Manufacturing Corp).
Key specifications for 4820-1864: Part Name Assigned by Controlling Agency: VALVE,BALL BR 500WDG 1/4 INCHES PPT IN; Valve Operation Method: MANUAL. 1 specification is 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.