4730-01-418-8951 NUT,TUBE COUPLING Index 4820-01-418-8953 VALVE,CHECK

National Stock Number:
4730-01-418-8952

Federal Supply Class:
4730

National Item Identification Number:
014188952

Description:
NUT,TUBE COUPLING

Detail:
AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), UNION.


Manufacturer Information:
J131607482GENERAL ELECTRIC COMPANY
J1316P04A07482GENERAL ELECTRIC COMPANY


Techincal Specification:
FABRICATION METHODMACHINED
LENGTH TO SHOULDER0.480 INCHES NOMINAL
LUBRICATIONDRY FILM LUBRICANT
MATERIALSTEEL COMP 321 OR STEEL COMP 347 OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.250 INCHES
NUT HEIGHT0.610 INCHES NOMINAL
NUT STYLETUBE COUPLING
SMALLEST INSIDE DIAMETER0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)


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