The Valve,safety Relief, cataloged under National Stock Number 4820-01-283-9604, 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 4 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-283-9604 |
| Primary Part Number | 355 9001 115 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker Hannifin Corporation Div Cylinder Division |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| Disk Loading Method | SPRING |
| 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 |
|---|---|
| 355 9001 115 PRIMARY | Parker Hannifin Corporation Div Cylinder Division (USA) |
NSN 4820-01-283-9604 is a Valve,safety Relief, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-283-9604 has 1 manufacturer part number on file: 355 9001 115 (Parker Hannifin Corporation Div Cylinder Division).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-375-3499. Verify interchangeability with system specifications before substitution.
Key specifications for 355 9001 115: Flow Control Device: DISK; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.; Disk Loading Method: SPRING; Valve Operation Method: AUTOMATIC. 4 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.