The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-139-4348, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-139-4348 |
| Primary Part Number | 3BXJ2NL |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 6 |
| Flow Control Device | STEM AND INTEGRAL DISK |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | 1ST STAGE AUTOMATIC, 2ND STAGE MANUAL |
| First End Flange Thickness | 0.688 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 5.500 INCHES NOMINAL IN |
| First End Style Designator | RAISED |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL THE CURRENT APPROVED SOURCES 35795 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984.THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| First End Bolt Hole Diameter | 0.719 INCHES NOMINAL IN |
| First End Raised Face Diameter | 2.000 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 4.250 INCHES NOMINAL IN |
| Material Document and Classification | UNABLE TO DECODE |
| End Connection Quantity | 2 |
| Manual Control Method | WHEEL |
| Valve Loading Method | DOME |
| First End Connection Type | RAISED FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| First End Raised Face Height | 0.061 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| 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 |
|---|---|
| DOGNS AND 14363N | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 3BXJ2NL PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 34BXA2NL | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-139-4348 is a Valve,regulating,fluid Pressure, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-139-4348 has 2 manufacturer part numbers on file: DOGNS AND 14363N (Leslie Controls, Inc. Dba Leslie Controls Inc), 3BXJ2NL (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 3BXJ2NL: First End Bolt Hole Quantity: 6; Flow Control Device: STEM AND INTEGRAL DISK; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 24 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.