The Valve,safety Relief, cataloged under National Stock Number 4820-01-421-0019, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leistritz Advanced Technologies Corp. Government technical data includes 6 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 | 4820-01-421-0019 |
| Primary Part Number | SC-8938/5-02 71PSI |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leistritz Advanced Technologies Corp |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Disk Loading Method | SPRING |
| Material | IRON BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Opening Pressure Setting | 71.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| L2SC-8938/5-02 71 PSI | Leistritz Advanced Technologies Corp (USA) |
| SC-8938/5-02 71PSI PRIMARY | Leistritz Advanced Technologies Corp (USA) |
NSN 4820-01-421-0019 is a Valve,safety Relief, manufactured by Leistritz Advanced Technologies Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-421-0019 has 2 manufacturer part numbers on file: L2SC-8938/5-02 71 PSI (Leistritz Advanced Technologies Corp), SC-8938/5-02 71PSI (Leistritz Advanced Technologies Corp).
Key specifications for SC-8938/5-02 71PSI: Style Designator: STRAIGHT THRU; Disk Loading Method: SPRING; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: IRON BODY. 6 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.