4730-01-343-3191 LOCKNUT,TUBE FITTING Index 5310-01-343-3193 WASHER,FLAT

National Stock Number:
4730-01-343-3192

Federal Supply Class:
4730

National Item Identification Number:
013433192

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:
MIL-DTL-1886681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-F-1886681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS51860-54Z96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
NUT STYLETUBE FITTING LOCKNUT
NUT HEIGHT0.250 INCHES NOMINAL
WIDTH ACROSS FLATS0.750 INCHES NOMINAL
PACKING RECESS DIAMETER0.750 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.313 INCHES
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-DTL-18866
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS51860-54Z


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