4730-00-178-0039 LOCKNUT,TUBE FITTING Index 5940-00-178-0041 TERMINAL BOARD

National Stock Number:
4730-00-178-0040

Federal Supply Class:
4730

National Item Identification Number:
001780040

Description:
LOCKNUT,TUBE FITTING

Detail:
AN ITEM WITH INTERNAL MACHINE THREADS DESIGNED TO FIT THE EXTERNAL MACHINE THREADS OF A TUBE FITTING. IT HAS FLAT FACES, ONE OF WHICH HAS A COUNTERBORED RECESS TO ACCOMMODATE PACKING, PACKING OR SEALING RING(S), GASKET(S), AND THE LIKE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF LOCKING AND SEALING THE CONNECTION. SEE ALSO LOCKNUT, PIPE; NUT (1), TUBE COUPLING AND NUT (1), PLAIN, HEXAGON.


Manufacturer Information:
J530P0607482GENERAL ELECTRIC COMPANY


Techincal Specification:
PACKING RECESS DEPTH0.042 INCHES NOMINAL
PACKING RECESS DIAMETER0.733 INCHES NOMINAL
MATERIALALUMINUM ALLOY OVERALL
NOMINAL THREAD SIZE0.562 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES
NUT STYLETUBE FITTING LOCKNUT
WIDTH ACROSS FLATS0.803 INCHES MINIMUM AND 0.814 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNJF


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