NSN 4820-00-287-2981
Part Details | SAFETY RELIEF VALVE
4820-00-287-2981 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: LL2114C12510, LL2114C-1/2-5-10, LL2112C1210, LL2112C-1/2-10, LL2083C1210LB, LL2083C1-2-10LB, B2070SPCASSEMBLYA, LL2114C12510, LL2114C-1/2-5-10, S4824H3217973 1, NMP0703D03S005, LL2114C12510, LL2114C-1/2-5-10, LL2112C1210, LL2112C-1/2-10, 1JH1487PC67, 4820-00-287-2981, 00-287-2981, 4820002872981, 002872981
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 01, 1961 | 00-287-2981 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE

Cross Reference | NSN 4820-00-287-2981
Part Number | Cage Code | Manufacturer |
---|---|---|
LL2114C-1/2-5-10 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
LL2112C-1/2-10 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
LL2083C1-2-10LB | 75954 | KUNKLE INDUSTRIES INCLONERGAN VALVE DIV |
B2070SPCASSEMBLYA | 75954 | KUNKLE INDUSTRIES INCLONERGAN VALVE DIV |
LL2114C-1/2-5-10 | 75954 | KUNKLE INDUSTRIES INCLONERGAN VALVE DIV |
S4824H3217973 1 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
NMP0703D03S005 | 15187 | PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM |
LL2114C-1/2-5-10 | 15187 | PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM |
LL2112C-1/2-10 | 15187 | PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM |
1JH1487PC67 | 79500 | WESTINGHOUSE ELECTRIC CORP |
Technical Data | NSN 4820-00-287-2981
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | A ANGLE |
FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 2.656 INCHES |
SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 2.750 INCHES |
VALVE SIZE | 0.500 INCHES |
FLOW CONTROL DEVICE | DISK |
VALVE OPERATION METHOD | AUTOMATIC |
BONNET TYPE | INSIDE SPRING |
BONNET ATTACHMENT METHOD | UNION |
DISK LOADING METHOD | SPRING |
OPENING PRESSURE SETTING | 10.0 POUNDS PER SQUARE INCH |
FEATURES PROVIDED | BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE |