4935-00-821-3875 HEADER ASSEMBLY Index 4935-00-821-3879 HEADER ASSEMBLY

National Stock Number:
4730-00-821-3878

Federal Supply Class:
4730

National Item Identification Number:
008213878

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:
R197P0407482GENERAL ELECTRIC COMPANY
R197P0424446GENERAL ELECTRIC COMPANY


Techincal Specification:
LENGTH TO SHOULDER0.513 INCHES MINIMUM AND 0.523 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.250 INCHES
NUT HEIGHT0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
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
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNF
THREAD QUANTITY PER INCH20


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