The Valve,safety Relief, cataloged under National Stock Number 4820-01-225-1479, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-225-1479 |
| Primary Part Number | CBCA LAN |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Disk Loading Method | SPRING |
| Material | STEEL BODY |
| Material | RUBBER PACKING |
| Opening Pressure Setting | 3000.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| CBCA LAN PRIMARY | Sun Hydraulics Corporation (USA) |
| A/049/050/A31052 ITEM 38 | Houlder Ltd (GBR) |
| A/049/050/A31052/38 | Houlder Ltd (GBR) |
| CBCA LAN | Sun Hydraulics Ltd (GBR) |
| U-HYD-085-A | Unac (FRA) |
| Reference | Meaning |
|---|---|
| ASC1136318 | 5/9 Secondary reference Asc Pty Ltd |
| 8307 13F ALL ITEM 2 | 5/9 Secondary reference Sun Hydraulics Corporation |
| 8307 13F ALL | D/9 Drawing number reference only Sun Hydraulics Corporation |
| 4820012251479 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4820-01-225-1479 is a Valve,safety Relief, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-225-1479 has 5 manufacturer part numbers on file: CBCA LAN (Sun Hydraulics Corporation), A/049/050/A31052 ITEM 38 (Houlder Ltd), A/049/050/A31052/38 (Houlder Ltd), CBCA LAN (Sun Hydraulics Ltd), U-HYD-085-A (Unac).
Key specifications for CBCA LAN: Flow Control Device: DISK; Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Disk Loading Method: SPRING; Special Features: CARTRIDGE TYPE. 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.