The Valve,safety Relief, cataloged under National Stock Number 4820-01-411-7544, 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 8 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-411-7544 |
| Primary Part Number | CBCH-LJN |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED CARTRIDGE ALL ENDS |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Adjustable Pressure Range | +2000.0 TO 5000.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| U0311628 | Jige International (FRA) |
| CBCH-LJN | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 6091314 | Ahern Australia Pty Ltd (AUS) |
| CBCH-LJN PRIMARY | Sun Hydraulics Corporation (USA) |
| 40001043 | General Dynamics Land Systems -Force Protection Europe (GBR) |
| 6091314 | Figgie Intl Inc Snorkel Div (USA) |
| CBCH-LJN | Amz Alabama Inc. (USA) |
| Y00014316 | Soframe (FRA) |
| Reference | Meaning |
|---|---|
| CBCH-LJN | 5/9 Secondary reference Applications Techniques Hydrauliques |
NSN 4820-01-411-7544 is a Valve,safety Relief, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-411-7544 has 8 manufacturer part numbers on file: U0311628 (Jige International), CBCH-LJN (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 6091314 (Ahern Australia Pty Ltd), CBCH-LJN (Sun Hydraulics Corporation), 40001043 (General Dynamics Land Systems -Force Protection Europe) and 3 more.
Key specifications for CBCH-LJN: Flow Control Device: DISK; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED CARTRIDGE ALL ENDS; Style Designator: SCREW-IN CARTRIDGE. 8 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.