1730-01-161-1290 RETAINER,FRAME,CRANE Index 3040-01-161-1292 CLAMP,HUB

National Stock Number:
4730-01-161-1291

Federal Supply Class:
4730

National Item Identification Number:
011611291

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:
2621-021-0196169ELECTRIC BOAT CORPORATION
2621-021-01 ASSY 8996169ELECTRIC BOAT CORPORATION
2621-021-01ASSY898X098TRIUMPH MANUFACTURING COMPANY, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION TYPEUNTHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEDOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST END
FURNISHED ITEMS AND QUANTITY1 LOCK WASHER AND 2 PREFORMED PACKING
LEG LENGTH2.150 INCHES NOMINAL 2ND END
LEG LENGTH4.750 INCHES MINIMUM AND 10.000 INCHES MAXIMUM 1ST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE TAILPIECE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-783 FED SPEC SINGLE MATERIAL RESPONSE LOCK NUT
MATERIALNICKEL ALLOY BODY
MATERIALSTEEL COMP 316 LOCK NUT
MATERIALSTEEL COMP 304 TAILPIECE
MAXIMUM OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES 1ST END
NOMINAL THREAD SIZE1.625 INCHES 2ND END
THREAD CLASS2A 2ND END
THREAD QUANTITY PER INCH12 2ND END
THREAD SERIES DESIGNATORUN 2ND END


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