The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-697-2327, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wild Dunes, Inc. Dba Tankless. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-697-2327 |
| Primary Part Number | LF4L |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Wild Dunes, Inc. Dba Tankless |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| First End Thread Series Designator | NPT |
| Second End Relationship with First End | NOT IDENTICAL |
| First End Style Designator | PLAIN |
| Second End Thread Series Designator | NPT |
| Second End Nominal Pipe Size Accommodated | 0.750 INCHES IN |
| End Connection Quantity | 2 |
| Second End Style Designator | PLAIN |
| Opening Pressure Setting | ERR-060 |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Temp Adjustability | NOT ADJUSTABLE |
| First End Nominal Pipe Size Accommodated | 0.750 INCHES IN |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | WATER, FRESH |
| Second End Connection Type | THREADED INTERNAL PIPE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-697-2327 is a Valve,relief,pressure and Temper, manufactured by Wild Dunes, Inc. Dba Tankless, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-697-2327 has 2 manufacturer part numbers on file: LF4L (Wild Dunes, Inc. Dba Tankless), LF4L (Stiebel Eltron).
Key specifications for LF4L: Flow Control Device: POPPET; First End Thread Series Designator: NPT; Second End Relationship with First End: NOT IDENTICAL; First End Style Designator: PLAIN. 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.