4730-01-194-5148 TEE,TUBE TO BOSS Index 4730-01-194-5150 ELBOW,FLANGE TO PIPE

National Stock Number:
4730-01-194-5149

Federal Supply Class:
4730

National Item Identification Number:
011945149

Description:
ADAPTER,STRAIGHT,FLANGE TO BOSS

Detail:
AN ADAPTER HAVING A FLANGE CONNECTION ON ONE END DESIGNED TO CONNECT WITH ANOTHER FLANGE CONNECTION OR A COMPRESSION TYPE MOUNTING PAD. THE OTHER END HAS EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. IT IS DESIGNED TO JOIN A FLANGE OR FLANGE FITTING TO BOSS OR BOSS FITTING IN A STRAIGHT LINE ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE.


Manufacturer Information:
75A55066376301THE BOEING COMPANY
75A550663-200176301THE BOEING COMPANY
75A550663-200303296NMC GROUP, INC.
75A550663-20030PXV4THE BOEING COMPANY
75A550663-200358078AIRTRONICS, LLC
75A550663-200188314MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS-TULSA
75A550663-200372429MISSION SYSTEMS DAVENPORT INC.
75A550663-200376301THE BOEING COMPANY


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND ENDEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION TYPEFLANGE FIRST ENDFLANGE FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND ENDTHREADED EXTERNAL BOSS SECOND END
CRITICALITY CODE JUSTIFICATIONFEATFEAT
FURNISHED ITEMS AND QUANTITY1 PREFORMED PACKING1 PREFORMED PACKING
FLANGE FACE DESIGNPLAIN FIRST ENDPLAIN FIRST END
FLANGE SHAPEROUND FIRST ENDROUND FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6411 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS6411 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL OUTSIDE DIAMETER3.750 INCHES FIRST END3.750 INCHES FIRST END
NOMINAL THICKNESS0.100 INCHES FIRST END0.100 INCHES FIRST END
NOMINAL OVERALL LENGTH2.375 INCHES2.375 INCHES
NOMINAL THREAD SIZE2.500 INCHES SECOND END2.500 INCHES SECOND END
SPECIAL FEATURESTHD INT ON FLANGE END 2.125-12UNJ-3B LH;FLIGHT SAFETY CRITICALTHD INT ON FLANGE END 2.125-12UNJ-3B LH;FLIGHT SAFETY CRITICAL
THREAD CLASS3A SECOND END3A SECOND END
THREAD QUANTITY PER INCH12 SECOND END12 SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) SECOND ENDUNIFIED NATIONAL JOINT (UNJ) SECOND END


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