The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-691-7397, 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 15 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 | 4820-01-691-7397 |
| Primary Part Number | PBDBLDN ECU |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 2 |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | SCREW-IN CARTRIDGE |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Bolt Hole Diameter | 0.34 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 25.0 TO 800.0 CAMERA MOUNT |
| Manual Control Method | SCREW |
| Valve Loading Method | SPRING |
| Mounting Facility | INTERNAL THREAD |
| First End Connection Type | THREADED INTERNAL PIPE |
| First End Flange Shape Style | HEXAGON W/ BOLT HOLES |
| Media for Which Designed | FLUID, PETROLEUM BASE AND HYDRAULIC FLUID, PHOSPHATE-ESTER BASE |
| Second End Connection Type | THREADED INTERNAL PIPE |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| PBDBLDN ECU PRIMARY | Sun Hydraulics Corporation (USA) |
| PBDBLDN ECU | Sun Hydraulics Ltd (GBR) |
NSN 4820-01-691-7397 is a Valve,regulating,fluid Pressure, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-691-7397 has 2 manufacturer part numbers on file: PBDBLDN ECU (Sun Hydraulics Corporation), PBDBLDN ECU (Sun Hydraulics Ltd).
Key specifications for PBDBLDN ECU: First End Bolt Hole Quantity: 2; Second End Relationship with First End: NOT IDENTICAL; Body Style: SCREW-IN CARTRIDGE; Regulation Type: AUTOMATIC SINGLE STAGE. 15 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.