4730-01-290-1041 NUT,UNION Index 4730-01-290-1043 NUT,UNION

National Stock Number:
4730-01-290-1042

Federal Supply Class:
4730

National Item Identification Number:
012901042

Description:
NUT,UNION

Detail:
AN INTERNALLY THREADED NUT WHICH HAS AN INTERNAL SEAT OR SHOULDER DESIGNED TO ENGAGE THE NUT RETAINING FLANGE OF A UNION TAILPIECE. THE THREADED PORTION IS USED TO ENGAGE THE THREAD PIECE OF A UNION, UNION ELBOR OR THE LIKE. EXCLUDES NUT (1), TUBE COUPLING.


Manufacturer Information:
810-138588480064NAVAL SHIP SYSTEMS COMMAND
810-1385884 PC 880064NAVAL SHIP SYSTEMS COMMAND
810-1385884 PC 89H417FORSYTH ARTHUR CO INC


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A-276,TY 304,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED6000.0 POUNDS PER SQUARE INCH OIL
NOMINAL THREAD SIZE2.312 INCHES
NUT HEIGHT1.250 INCHES NOMINAL
NUT STYLEHEXAGON
SHOULDER STEP WIDTH0.312 INCHES NOMINAL
SHOULDER WIDTH0.376 INCHES NOMINAL
SHOULDER SEAT DIAMETER2.326 INCHES NOMINAL
SMALLEST INSIDE DIAMETER1.940 INCHES NOMINAL
WIDTH ACROSS FLATS2.750 INCHES NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNS
THREAD QUANTITY PER INCH12


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