4730-00-817-1890 NIPPLE,TUBE Index 4720-00-817-1892 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4730-00-817-1891

Federal Supply Class:
4730

National Item Identification Number:
008171891

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:
261-PX1/409505DAYCO INDUSTRIAL
261P1-403990INGERSOLL-RAND CO
261P1-430327IMPERIAL
61P-493061PARKER-HANNIFIN CORP


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.437 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALCOPPER ALLOY 360 NUT
NUT STYLETUBE COUPLING
NUT HEIGHT0.343 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
WIDTH ACROSS FLATS0.437 INCHES NOMINAL
LENGTH TO SHOULDER0.359 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.266 INCHES NOMINAL
FABRICATION METHODCAST
NOMINAL TUBE OUTSIDE DIAMETER0.250 INCHES
SPECIAL FEATURESGRUMMAN AIRCRAFT MODEL A10


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