4030-00-375-6398 THIMBLE,ROPE Index 5360-00-375-6404 SPRING,FLAT

National Stock Number:
4730-00-375-6403

Federal Supply Class:
4730

National Item Identification Number:
003756403

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:
10386315A486GNIMIKKEISTOKESKUS NCB FINLAND
3666881616YORK INDUSTRIES, INC.
6 070118C0U583SAE INTERNATIONAL
6 070118C81343SOCIETY OF AUTOMOTIVE ENGINEERS INC
4730003756403A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
4730003756403SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
6 080118C0U583SAE INTERNATIONAL
6 080118C81343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-DTL-1886681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS51860-5596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL OVERALL
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES
NOMINAL THREAD SIZE0.562 INCHES
NUT HEIGHT0.270 INCHES NOMINAL
NUT STYLETUBE FITTING LOCKNUT
WIDTH ACROSS FLATS0.812 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH18


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