1730-00-589-9137 SHIELD,AIRCRAFT GROUND SERVICING Index 1730-00-589-9143 SHIELD,AIRCRAFT GROUND SERVICING

National Stock Number:
4730-00-589-9139

Federal Supply Class:
4730

National Item Identification Number:
005899139

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:
361834-198897LOCKHEED MARTIN CORP


Techincal Specification:
BOLT HOLE QUANTITY4 FIRST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH4.750 INCHES FIRST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH4.750 INCHES FIRST END
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
CONNECTION TYPEFLANGE FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
NOMINAL WIDTH5.750 INCHES FIRST END
NOMINAL THREAD SIZE1.875 INCHES SECOND END
THREAD CLASS3B SECOND END
THREAD SERIES DESIGNATORUN SECOND END
THREAD QUANTITY PER INCH12 SECOND END


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