The Valve,safety Relief, cataloged under National Stock Number 4820-01-331-5496, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mueller Industries Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-331-5496 |
| Primary Part Number | A19108-350 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mueller Industries Inc |
| Status | ACTIVE |
| Opening Pressure Setting | 350.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| A19108-350 PRIMARY | Mueller Industries Inc (USA) |
| 3001-350 | Superior Valve Co (USA) |
| Reference | Meaning |
|---|---|
| 3001X9-350 | 5/9 Secondary reference Superior Valve Co |
| XP1458 | 5/9 Secondary reference Superior Valve Co |
| 18-025-045 | 5/9 Secondary reference Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
NSN 4820-01-331-5496 is a Valve,safety Relief, manufactured by Mueller Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-331-5496 has 2 manufacturer part numbers on file: A19108-350 (Mueller Industries Inc), 3001-350 (Superior Valve Co).
Key specifications for A19108-350: Opening Pressure Setting: 350.0 POUNDS PER SQUARE INCH LBS. 1 specification is 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.