NSN 4820-00-127-8991
Part Details | SAFETY RELIEF VALVE
4820-00-127-8991 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: 665643, 665643, 671114, 4820-00-127-8991, 00-127-8991, 4820001278991, 001278991
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 04, 1973 | 00-127-8991 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU

Cross Reference | NSN 4820-00-127-8991
Part Number | Cage Code | Manufacturer |
---|---|---|
665643 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
665643 | 23862 | MILITARY VEHICLES OPNGENERAL MOTORS TRUCK AND BUS GROUP |
671114 | 23862 | MILITARY VEHICLES OPNGENERAL MOTORS TRUCK AND BUS GROUP |
Technical Data | NSN 4820-00-127-8991
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | STRAIGHT THRU |
FLOW CONTROL DEVICE | DIAPHRAGM |
VALVE OPERATION METHOD | AUTOMATIC |
SPECIAL FEATURES | APERTURE DIAMETER: 0.125 IN. NOMINAL; MOUNTING POSITION: HORIZONTAL |