The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-313-4583, 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 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 | 4820-01-313-4583 |
| Primary Part Number | U303931802 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Flow Control Device | PISTON, BOTTOM GUIDED |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Manual Control Method | TEE HANDLE |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | STEEL BODY |
| Media for Which Designed | AIR AND GAS AND STEAM |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 0.500-14 NPT FIRST END |
| 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 |
|---|---|
| U303931802 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| LS-5 .5IPS | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-01-313-4583 is a Valve,regulating,fluid Pressure, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-313-4583 has 2 manufacturer part numbers on file: U303931802 (Leslie Controls, Inc. Dba Leslie Controls Inc), LS-5 .5IPS (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for U303931802: Flow Control Device: PISTON, BOTTOM GUIDED; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 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.