NSN 4820-00-191-6881
Part Details | SAFETY RELIEF VALVE
4820-00-191-6881 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Alternate Parts: P20383, P20-383, C4912, C491-2, 4820-00-191-6881, 00-191-6881, 4820001916881, 001916881
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | DEC 17, 1971 | 00-191-6881 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-00-191-6881
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P20-383 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
| C491-2 | 81755 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
Technical Data | NSN 4820-00-191-6881
| Characteristic | Specifications |
|---|---|
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| VALVE DISCHARGE FLOW RATE | 200.0 CUBIC FEET PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 47.0 TO 53.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |