4730-00-277-3346 NUT,UNION Index 4730-00-277-3348 NUT,UNION

National Stock Number:
4730-00-277-3347

Federal Supply Class:
4730

National Item Identification Number:
002773347

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:
5000S4823-841337PC453711NAVAL SEA SYSTEMS COMMAND
5000S4823-841337PC480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALNICKEL ALLOY OVERALL
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED3000.0 POUNDS PER SQUARE INCH (PSI) OIL AND 3000.0 POUNDS PER SQUARE INCH (PSI) WATER AND 3000.0 POUNDS PER SQUARE INCH (PSI) AIR
NOMINAL THREAD SIZE1.500 INCHES
NUT STYLEHEXAGON
NUT HEIGHT1.750 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.969 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THD SIZE
SHOULDER SEAT DIAMETER1.375 INCHES NOMINAL
SHOULDER STEP WIDTH0.250 INCHES NOMINAL
SHOULDER WIDTH0.688 INCHES NOMINAL
WIDTH ACROSS FLATS2.000 INCHES NOMINAL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUN


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