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:
NUT HEIGHT0.250 INCHES NOMINAL
NUT STYLETUBE FITTING LOCKNUT
PACKING RECESS DIAMETER0.750 INCHES NOMINAL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.313 INCHES
WIDTH ACROSS FLATS0.750 INCHES NOMINAL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH20


Click here to Register for Free 30-day Trial