1560-01-521-6296 SKIN,AIRCRAFT Index 1560-01-521-6298 SUPPORT,STRUCTURAL COMPONENT,AIR

National Stock Number:
4730-01-521-6297

Federal Supply Class:
4730

National Item Identification Number:
015216297

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:
4730PL16682939009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
AS5179T040U583SAE INTERNATIONAL
AS5179T0481343SOCIETY OF AUTOMOTIVE ENGINEERS INC


Techincal Specification:
NUT HEIGHT0.281 INCHES NOMINAL
NUT STYLETUBE FITTING LOCKNUT
PACKING RECESS DEPTH0.042 INCHES NOMINAL
PACKING RECESS DIAMETER0.608 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4928, TYPE 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.688 INCHES NOMINAL
SPECIFICATION/STANDARD DATA8143-AS5179 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2488 ASSN STD SINGLE TREATMENT RESPONSE AND AMS2486 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OR PHOSPHATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNF


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