4730-00-466-7488 REDUCER,PIPE Index 4730-00-466-7496 TEE,PIPE TO TUBE

National Stock Number:
4730-00-466-7491

Federal Supply Class:
4730

National Item Identification Number:
004667491

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
MS51860-896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
PACKING RECESS DEPTH1.067 INCHES NOMINAL
PACKING RECESS DIAMETER1.250 INCHES NOMINAL
MATERIALSTEEL OVERALL
NOMINAL TUBE OUTSIDE DIAMETER0.750 INCHES
NOMINAL THREAD SIZE1.0625 INCHES
NUT STYLETUBE FITTING LOCKNUT
WIDTH ACROSS FLATS1.250 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUN
THREAD QUANTITY PER INCH12


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