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National Stock Number:
4820-00-824-9740
Federal Supply Class:
4820
National Item Identification Number:
008249740
Description:
VALVE,SAFETY RELIEF
Detail:
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.
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Manufacturer Information:
| 9199041 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | C-13-A | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | COPPER ALLOY 262 OR | | COPPER ALLOY 331 OR | | COPPER ALLOY 344 BODY | | RUBBER SYNTHETIC SEAT | | COPPER ALLOY 262 OR | | COPPER ALLOY 344 STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,COMP AA,1/2H FED SPEC SINGLE MATERIAL RESPONSE BODY | | QQ-B-626,COMP 11,1/2H FED SPEC SINGLE MATERIAL RESPONSE STEM | | FLOW CONTROL DEVICE | POPPET | | POWER DRIVE OPERATING PRESSURE | 7.0 POUNDS PER SQUARE INCH NOMINAL | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | THREAD QUANTITY PER INCH | 18 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RENEWABLE SEAT RING TYPE | RETAINING SCREW | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 7.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | TEST DATA DOCUMENT | 18876-9199041 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 18876 | | DESIGN CONTROL REFERENCE | 9199041 |
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