The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-139-1656, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Leslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-139-1656 |
| Primary Part Number | Y101920006 |
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| Y101920006 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 22J5A2PLX | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 22J5A2PLX AND 22826N | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 22826N | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 22J5A2PLX 3IN. DLN-3X 150LB FLGE | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 22J5J2PL W/HOD | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-139-1656 is a Valve,diaphragm,stop, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-139-1656 has 1 manufacturer part number on file: Y101920006 (Leslie Controls, Inc. Dba Leslie Controls Inc).
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.