4730-01-091-2576 UNION ASSEMBLY Index 4820-01-091-2578 DOME,VALVE

National Stock Number:
4730-01-091-2577

Federal Supply Class:
4730

National Item Identification Number:
010912577

Description:
ELBOW,PIPE TO BOSS

Detail:
A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. One connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The other end has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a pipe or pipe fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like. See also ELBOW, PIPE; and ELBOW, PIPE TO TUBE. Excludes CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.


Manufacturer Information:
2621-021-02ASSY2596169ELECTRIC BOAT CORPORATION
4643893-0F17-196169ELECTRIC BOAT CORPORATION


Techincal Specification:
CONNECTION STYLEDOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
FURNISHED ITEMS AND QUANTITY1 LOCKNUT AND 1 SHORT COUPLING NUT AND 2 PREFORMED PACKING AND 1 FLAT WASHER AND 1 TAILPIECE
FLOW ANGLE90.0 DEGREES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
NOMINAL THREAD SIZE0.750 INCHES SECOND END
NOMINAL THREAD SIZE0.250 INCHES FIRST END
OPERATING PRESSURE4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
THREAD CLASS2A SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD SERIES DESIGNATORUNF SECOND END


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