The Valve,safety Relief, cataloged under National Stock Number 4820-01-616-2084, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-616-2084 |
| Primary Part Number | 4155PTC-FP02-RAH081 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Minimum Operating Temp | -45.0 CELSIUS DEGC |
| Style Designator | STRAIGHT THRU Y-PATTERN |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 71.0 CELSIUS SINGLE RESPONSE DEGC |
| Bonnet Attachment Method | THREADED |
| Material | STEEL COMP 12L14 OR ALUMINUM ALLOY 6061 BODY |
| Opening Pressure Setting | 2600.0 POUNDS PER SQUARE INCH LBS |
| Valve Discharge Flow Rate | 5.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| 4155PTC-FP02-RAH081 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 4155PTC-FP02-RAH081 | Fluid Power Engineering Ltd (GRC) |
| Reference | Meaning |
|---|---|
| 5035622 | 3/2 Design control — primary reference U.S. Government activity |
| 5035622 | 5/9 Secondary reference Signals Warfare Project Manager |
NSN 4820-01-616-2084 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-616-2084 has 2 manufacturer part numbers on file: 4155PTC-FP02-RAH081 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 4155PTC-FP02-RAH081 (Fluid Power Engineering Ltd).
Key specifications for 4155PTC-FP02-RAH081: Flow Control Device: POPPET; Minimum Operating Temp: -45.0 CELSIUS DEGC; Style Designator: STRAIGHT THRU Y-PATTERN; Bonnet Type: INSIDE SPRING. 10 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.