The Cartridge,counterbalance Valve, cataloged under National Stock Number 4820-01-419-7129, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cartridge,counterbalance Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Pacific Powertech Llc (CAGE 53546); Sun Hydraulics Corporation (CAGE 54035) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-419-7129 |
| Primary Part Number | CAGG-LGN |
| Item Name | Cartridge,counterbalance Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| D-452-119 ITEM B | Pacific Powertech Llc (USA) |
| CAGG-LGN PRIMARY | Sun Hydraulics Corporation (USA) |
| Reference | Meaning |
|---|---|
| D-452-119 | D/9 Drawing number reference only Pacific Powertech Llc |
NSN 4820-01-419-7129 is a Cartridge,counterbalance Valve, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-419-7129 has 2 manufacturer part numbers on file: D-452-119 ITEM B (Pacific Powertech Llc), CAGG-LGN (Sun Hydraulics Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-419-7148, 4730-01-419-7924. Verify interchangeability with system specifications before substitution.
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.