3040-01-503-7722 COLLAR,SHAFT Index 5355-01-503-7724 LOCK,SHAFT

National Stock Number:
4730-01-503-7723

Federal Supply Class:
4730

National Item Identification Number:
015037723

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:
11467651-218876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
LUBRICATIONDRY FILM LUBRICANT
PACKING RECESS DIAMETER1.000 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.500 INCHES
NUT HEIGHT0.310 INCHES NOMINAL
NUT STYLETUBE FITTING LOCKNUT
WIDTH ACROSS FLATS1.000 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD SERIESUNF
THREAD QUANTITY PER INCH20


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