The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-197-9915, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lourdes Industries, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-197-9915 |
| Primary Part Number | 80180-0005-1 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lourdes Industries, Inc. |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | STRAIGHT THRU |
| End Connection Quantity | 2 |
| Opening Pressure Setting | ERR-060 |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | ALUMINUM ALLOY BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 80180-0005-1 PRIMARY | Lourdes Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 80180-0005-002 | 5/9 Secondary reference Lourdes Industries, Inc. |
| 5336539-001 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 80180-0005-001 | 5/9 Secondary reference Lourdes Industries, Inc. |
NSN 4820-01-197-9915 is a Valve,relief,pressure and Temper, manufactured by Lourdes Industries, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-197-9915 has 1 manufacturer part number on file: 80180-0005-1 (Lourdes Industries, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-371-1275. Verify interchangeability with system specifications before substitution.
Key specifications for 80180-0005-1: Flow Control Device: BALL; Second End Relationship with First End: NOT IDENTICAL; Body Style: STRAIGHT THRU; End Connection Quantity: 2. 7 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.
NSN 4820-01-197-9915 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.