The Valve,safety Relief, cataloged under National Stock Number 4820-01-565-9889, 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 2 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 | 4820-01-565-9889 |
| Primary Part Number | RPEC-LNN |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| 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 |
|---|---|
| 470RPECLNN | Ibercisa Deck Machinery Sa (ESP) |
| RPEC-LNN PRIMARY | Sun Hydraulics Corporation (USA) |
NSN 4820-01-565-9889 is a Valve,safety Relief, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-565-9889 has 2 manufacturer part numbers on file: 470RPECLNN (Ibercisa Deck Machinery Sa), RPEC-LNN (Sun Hydraulics Corporation).
Key specifications for RPEC-LNN: Style Designator: SCREW-IN CARTRIDGE; Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: NORMALLY CLOSED PRESSURE REGULATING VALVE, CAPACITY IS 25 GPM, VALVE HEX SIZE IS 7/8 INCH, NOT SUITABLE FOR USE IN LOAD HOLDING APPLICATIONS DUE TO SPOOL LEAKAGE IN; Part Name Assigned by Controlling Agency: PILOT OPERATED, BALANCED PISTON RLIEF VALVE. 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.