The Valve,purge, cataloged under National Stock Number 4820-01-565-3754, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Instrumentation Products Division. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,purge |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Securiplex Llc (CAGE 34JR9); Parker-Hannifin Corp Div Instrumentation Products Division (CAGE 54939) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-565-3754 |
| Primary Part Number | 4A-V4LR-SS |
| Item Name | Valve,purge |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Instrumentation Products Division |
| 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 |
|---|---|
| 376-03534-01 | Securiplex Llc (USA) |
| 4A-V4LR-SS PRIMARY | Parker-Hannifin Corp Div Instrumentation Products Division (USA) |
| Reference | Meaning |
|---|---|
| GA-18001-00 ITEM V6 | 5/1 Secondary reference Securiplex Llc |
| GA-111836-00 ITEM V6 | C/1 Advisory reference — outside the item-of-supply concept Securiplex Llc |
NSN 4820-01-565-3754 is a Valve,purge, manufactured by Parker-Hannifin Corp Div Instrumentation Products Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-565-3754 has 2 manufacturer part numbers on file: 376-03534-01 (Securiplex Llc), 4A-V4LR-SS (Parker-Hannifin Corp Div Instrumentation Products Division).
Key specifications for 4A-V4LR-SS: Special Features: NHA: WATERMIST PUMP SKID; Part Name Assigned by Controlling Agency: VALVE, INTAKE MANIFOLD PURGE, 1/4 INCH IN; End Item Identification: NEW CONSTRUCTION LCS1. 0 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.