The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-245-0831, 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 21 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-245-0831 |
| Primary Part Number | 813 L2S1 SJ0D |
| 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 | 8 |
| Flow Control Device | PLUG |
| Valve Stem Design | SINGLE SEAT |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 542.9 MILLIMETERS NOMINAL MM |
| First End Flange Thickness | 27.0 MILLIMETERS NOMINAL MM |
| First End Flange Outside Diameter | 342.9 MILLIMETERS NOMINAL MM |
| First End Style Designator | RAISED |
| First End Bolt Hole Diameter | 22.2 MILLIMETERS NOMINAL MM |
| First End Raised Face Diameter | 270.0 MILLIMETERS NOMINAL MM |
| First End Bolt Circle Diameter | 298.5 MILLIMETERS NOMINAL MM |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | RAISED FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| First End Raised Face Height | 1.6 MILLIMETERS NOMINAL MM |
| Material | RUBBER 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 |
|---|---|
| 813 L2S1 SJ0D PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| DDB0YS-1-8IN | C/1 Advisory reference — outside the item-of-supply concept Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-245-0831 is a Valve,regulating,fluid Pressure, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-245-0831 has 1 manufacturer part number on file: 813 L2S1 SJ0D (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 813 L2S1 SJ0D: First End Bolt Hole Quantity: 8; Flow Control Device: PLUG; Valve Stem Design: SINGLE SEAT; Second End Relationship with First End: IDENTICAL. 21 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.