4730-00-273-6659 NUT,TUBE COUPLING Index 4730-00-273-6661 NUT,TUBE COUPLING

National Stock Number:
4730-00-273-6660

Federal Supply Class:
4730

National Item Identification Number:
002736660

Description:
NUT,TUBE COUPLING

Detail:
AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), UNION.


Manufacturer Information:
346286PC110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
LENGTH TO SHOULDER0.450 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.250 INCHES
NUT HEIGHT0.688 INCHES NOMINAL
NUT STYLETUBE COUPLING
SEAT ANGLE45.00 DEGREES NOMINAL
SMALLEST INSIDE DIAMETER0.289 INCHES NOMINAL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUN
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS0.625 INCHES NOMINAL


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