4730-01-287-0917 NUT,TUBE COUPLING Index 5310-01-287-0919 NUT,SELF-LOCKING,CASTELLATED,HEX

National Stock Number:
4730-01-287-0918

Federal Supply Class:
4730

National Item Identification Number:
012870918

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:
NAS1410J12E80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1410J12E81205THE BOEING COMPANY


Techincal Specification:
THREAD SERIESUNJ
NOMINAL THREAD SIZE1.062 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLETUBE FITTING LOCKNUT
NUT HEIGHT0.535 INCHES NOMINAL
WIDTH ACROSS FLATS1.375 INCHES NOMINAL
PACKING RECESS DIAMETER1.224 INCHES NOMINAL
PACKING RECESS DEPTH0.151 INCHES NOMINAL
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
DRILLED HOLE DIAMETER0.046 INCHES NOMINAL
FABRICATION METHODMACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.750 INCHES
SPECIFICATION/STANDARD DATA80205-NAS1410 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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