The Valve,safety Relief, cataloged under National Stock Number 4820-01-654-3504, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-654-3504 |
| Primary Part Number | PBDB-LAN/AP-2000 PSI |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Media for Which Designed | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| Material | RUBBER SYNTHETIC PACKING |
| Material | STEEL STAINLESS - USE STB000 BODY |
| Valve Discharge Flow Rate | 10.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| PBDB-LAN/AP-2000 PSI | Advanced Fluid Systems, Inc (USA) |
| PBDB-LAN/AP-2000 PSI PRIMARY | Sun Hydraulics Corporation (USA) |
NSN 4820-01-654-3504 is a Valve,safety Relief, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-654-3504 has 2 manufacturer part numbers on file: PBDB-LAN/AP-2000 PSI (Advanced Fluid Systems, Inc), PBDB-LAN/AP-2000 PSI (Sun Hydraulics Corporation).
Key specifications for PBDB-LAN/AP-2000 PSI: Style Designator: SCREW-IN CARTRIDGE; Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Bonnet Type: INSIDE SCREW; Special Features: STANDARD SCREW ADJUSTMENT. 7 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.