4730-00-277-5092 LOCKNUT,TUBE FITTING Index 4730-00-277-5095 LOCKNUT,TUBE FITTING

National Stock Number:
4730-00-277-5093

Federal Supply Class:
4730

National Item Identification Number:
002775093

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:
AN6289D2014397FABER ENTERPRISES, INC.
AN6289D2088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MIL-F-550981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
NUT STYLETUBE FITTING LOCKNUT
PACKING RECESS DEPTH0.054 INCHES NOMINAL
PACKING RECESS DIAMETER1.854 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4,ALLOY 2014,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2014 OVERALL
NOMINAL THREAD SIZE1.625 INCHES
NOMINAL TUBE OUTSIDE DIAMETER1.250 INCHES
NUT HEIGHT0.438 INCHES NOMINAL
WIDTH ACROSS FLATS1.938 INCHES NOMINAL
SPECIFICATION/STANDARD DATA88044-AN6289 GOVERNMENT STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUN


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