4730-00-278-5448 NUT,TUBE COUPLING Index 4730-00-278-5450 NUT,TUBE COUPLING

National Stock Number:
4730-00-278-5449

Federal Supply Class:
4730

National Item Identification Number:
002785449

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:
156D20AHP5CURTISS-WRIGHT CONTROLS, INC.
AN80588044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MIL-DTL-600181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-F-600181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
AN805-688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
FABRICATION METHODMACHINED
LENGTH TO SHOULDER0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,CP 21 OR 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES
NOMINAL THREAD SIZE0.625 INCHES
NUT HEIGHT0.562 INCHES NOMINAL
NUT STYLETUBE COUPLING
SMALLEST INSIDE DIAMETER0.473 INCHES MINIMUM AND 0.477 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNF
WIDTH ACROSS FLATS0.744 INCHES MINIMUM AND 0.755 INCHES MAXIMUM


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