The Valve,safety Relief, cataloged under National Stock Number 4820-01-693-4942, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is North American Safety Valve Industries, Inc. Dba Kunkle Valve. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-693-4942 |
| Primary Part Number | 0019-E01-MG0050 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | North American Safety Valve Industries, Inc. Dba Kunkle Valve |
| Status | ACTIVE |
| Valve Size | 1.000 INCHES IN |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| 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 |
|---|---|
| 0019-E01-MG0050 PRIMARY | North American Safety Valve Industries, Inc. Dba Kunkle Valve (USA) |
| Reference | Meaning |
|---|---|
| 0019-E01-MG0050 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-693-4942 is a Valve,safety Relief, manufactured by North American Safety Valve Industries, Inc. Dba Kunkle Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-693-4942 has 1 manufacturer part number on file: 0019-E01-MG0050 (North American Safety Valve Industries, Inc. Dba Kunkle Valve).
Key specifications for 0019-E01-MG0050: Valve Size: 1.000 INCHES IN; Media for Which Designed: LIQUID SINGLE RESPONSE; Part Name Assigned by Controlling Agency: THREADED VALVE FOR LIQUID SERVICE; Valve Operation Method: AUTOMATIC. 3 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.