The Valve,safety Relief, cataloged under National Stock Number 4820-01-319-3448, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Terex Reedrill Dba Reedrill Texoma Div Terex Mining. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-319-3448 |
| Primary Part Number | 1155382 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Terex Reedrill Dba Reedrill Texoma Div Terex Mining |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Thread Series Designator | NPT ALL ENDS |
| Opening Pressure Setting | 150.0 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 |
|---|---|
| 1155382 PRIMARY | Terex Reedrill Dba Reedrill Texoma Div Terex Mining (USA) |
| Reference | Meaning |
|---|---|
| 31-95304-4C-150-05 | 3/2 Design control — primary reference U.S. Government activity |
| 31-95304-4C-150 | C/1 Advisory reference — outside the item-of-supply concept Eaton Corporation Dba Air Controls Division Div Air Controls Division |
| 1155382 | 5/9 Secondary reference Gardner-Denver Mining and Constructin Div of Cooper Industries Inc |
NSN 4820-01-319-3448 is a Valve,safety Relief, manufactured by Terex Reedrill Dba Reedrill Texoma Div Terex Mining, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-319-3448 has 1 manufacturer part number on file: 1155382 (Terex Reedrill Dba Reedrill Texoma Div Terex Mining).
Key specifications for 1155382: Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Nominal Thread Size: 0.500 INCHES ALL ENDS IN. 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.
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.