The Valve,safety Relief, cataloged under National Stock Number 4820-01-300-5223, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-300-5223 |
| Primary Part Number | LCT-14L/M4 SC .50IN 71T91PSI |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Adjustable Pressure Range | +71.0 TO 91.0 POUNDS PER SQUARE INCH LBS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | NICKEL ALLOY BODY |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| LCT-14L/M4 SC .50IN 71T91PSI PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| LCT-14L/M4 SC .50IN 71T91PSI | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
NSN 4820-01-300-5223 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-300-5223 has 1 manufacturer part number on file: LCT-14L/M4 SC .50IN 71T91PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
Key specifications for LCT-14L/M4 SC .50IN 71T91PSI: Adjustable Pressure Range: +71.0 TO 91.0 POUNDS PER SQUARE INCH LBS; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Material: NICKEL ALLOY BODY; Valve Operation Method: AUTOMATIC. 4 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.