The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-522-3461, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Sun Hydraulics Corporation (CAGE 54035); Allied Systems Company Dba Allied Systems Co (CAGE 60848) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-522-3461 |
| Primary Part Number | PBHB-LWN |
| Item Name | Valve,regulating,fluid Pressure |
| 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 |
|---|---|
| PBHB-LWN PRIMARY | Sun Hydraulics Corporation (USA) |
| 247955 | Allied Systems Company Dba Allied Systems Co (USA) |
| 49358 REV D BUBB# 11 | Allied Systems Company Dba Allied Systems Co (USA) |
| Reference | Meaning |
|---|---|
| 4457662 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 4820-01-522-3461 is a Valve,regulating,fluid Pressure, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-522-3461 has 3 manufacturer part numbers on file: PBHB-LWN (Sun Hydraulics Corporation), 247955 (Allied Systems Company Dba Allied Systems Co), 49358 REV D BUBB# 11 (Allied Systems Company Dba Allied Systems Co).
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.