The Valve,direct, cataloged under National Stock Number 4820-01-271-3600, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Valve,direct |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Lake Shore Systems, Inc. (CAGE 34712); Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (CAGE 9F512) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-271-3600 |
| Primary Part Number | 2A1-1819 |
| Item Name | Valve,direct |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, 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 |
|---|---|
| 2A1-1819 PRIMARY | Lake Shore Systems, Inc. (USA) |
| A4D01-3511-0204-B5 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| Reference | Meaning |
|---|---|
| A-3D01-35-511-02-04-00A5 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| A-3D01-35-511-0 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
NSN 4820-01-271-3600 is a Valve,direct, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-271-3600 has 2 manufacturer part numbers on file: 2A1-1819 (Lake Shore Systems, Inc.), A4D01-3511-0204-B5 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
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.