The Valve,safety Relief, cataloged under National Stock Number 4820-01-340-5750, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker Hannifin Corporation Div Cylinder Division. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-340-5750 |
| Primary Part Number | 3559107157 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker Hannifin Corporation Div Cylinder Division |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 3559107157 PRIMARY | Parker Hannifin Corporation Div Cylinder Division (USA) |
| Reference | Meaning |
|---|---|
| 74726 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-340-5750 is a Valve,safety Relief, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-340-5750 has 1 manufacturer part number on file: 3559107157 (Parker Hannifin Corporation Div Cylinder Division).
Key specifications for 3559107157: Flow Control Device: DISK; End Item Identification: LITTLE GIANT CRANE AND SHOVEL INC TRUCK MOUNTED EXCAVATOR MODEL N0. 34TX; Valve Operation Method: AUTOMATIC. 2 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.