2990-01-383-2279 HANGER,ENGINE EXHAUST SYSTEM Index 3040-01-383-2281 SHAFT,SHOULDERED

National Stock Number:
4730-01-383-2280

Federal Supply Class:
4730

National Item Identification Number:
013832280

Description:
NUT,TUBE COUPLING,REDUCING

Detail:
A TUBE COUPLING NUT WITH THE SHANK END ACCOMMODATING A SMALLER TUBE SIZE THAN IS ACCOMMODATED BY THE TUBE FITTING WHICH CONNECTS TO THE THREADED END.


Manufacturer Information:
MS27073-1696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.750 INCHES
NOMINAL TUBE OUTSIDE DIAMETER1.236 INCHES
NUT HEIGHT0.660 INCHES NOMINAL
NUT STYLETUBE COUPLING
SMALLEST INSIDE DIAMETER1.352 INCHES NOMINAL
WIDTH ACROSS FLATS1.495 INCHES NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)


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