4730-00-453-6187 LOCKNUT,TUBE FITTING Index 3110-00-453-6189 BEARING,BALL,ANNULAR

National Stock Number:
4730-00-453-6188

Federal Supply Class:
4730

National Item Identification Number:
004536188

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:
4730PL11525669009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
AN6289J688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
PACKING RECESS DIAMETER0.728 INCHES MINIMUM AND 0.738 INCHES MAXIMUM
PACKING RECESS DEPTH0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM
MATERIALSTEEL COMP 304 OVERALL
NOMINAL THREAD SIZE0.562 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES
NUT STYLETUBE FITTING LOCKNUT
NUT HEIGHT0.813 INCHES NOMINAL
SPECIFICATION/STANDARD DATA88044-AN818 GOVERNMENT STANDARD
WIDTH ACROSS FLATS0.809 INCHES MINIMUM AND 0.816 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNJF
THREAD QUANTITY PER INCH18


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