3020-00-540-2014 GEAR,SPUR Index 4730-00-540-2016 LOCKNUT,TUBE FITTING

National Stock Number:
4730-00-540-2015

Federal Supply Class:
4730

National Item Identification Number:
005402015

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:
AN6289-2C99237AIRFORCE-NAVY AERONAUTICAL DESIGN STANDARD
AN6289C288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN6289J214397FABER ENTERPRISES, INC.
AN6289J288044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS5179J020U583SAE INTERNATIONAL
AS5179J0281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE-AS48410U583SAE INTERNATIONAL


Techincal Specification:
PACKING RECESS DEPTH0.037 INCHES NOMINAL
PACKING RECESS DIAMETER0.483 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.125 INCHES
NUT HEIGHT0.250 INCHES NOMINAL
NUT STYLETUBE FITTING LOCKNUT
WIDTH ACROSS FLATS0.563 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35-TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIESUNF


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