4730-01-247-8689 REDUCER,PIPE Index 4730-01-247-8691 ELBOW,FLANGE TO TUBE

National Stock Number:
4730-01-247-8690

Federal Supply Class:
4730

National Item Identification Number:
012478690

Description:
ADAPTER,STRAIGHT,TUBE TO BOSS

Detail:
An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. 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 is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also COUPLING, TUBE and NIPPLE, TUBE.


Manufacturer Information:
GB15N26512NORTHROP GRUMMAN SYSTEMS CORPORATION
GB15N4C1626512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
MATERIALSTEEL COMP 321 OR
STEEL COMP 347 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPEBUTT WELD TUBE 1ST END
THREADED INTERNAL BOSS 2ND END
CONNECTION STYLEBEVELED (TUBE) 1ST END
GASKET SEAL (BOSS) 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
THREAD SERIES DESIGNATORUNJF 2ND END
NOMINAL THREAD SIZE0.438 INCHES 2ND END
THREAD CLASS3B 2ND END


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