4820-01-142-0275 SEAT,VALVE Index 5998-01-142-0277 ELECTRONIC COMPONENTS ASSEMBLY

National Stock Number:
4730-01-142-0276

Federal Supply Class:
4730

National Item Identification Number:
011420276

Description:
ADAPTER,STRAIGHT,PIPE TO BOSS

Detail:
AN ADAPTER HAVING STANDARD PIPE THREADS ON ONE END OR AN UNTHREADED END DESIGNED TO ACCOMMODATE A PIPE. 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 PIPE OR PIPE FITTING TO A BOSS OR BOSS FITTING IN A STRAIGHT LINE ON ITEMS SUCH AS TANKS, HOUSING, VALVE FITTINGS, OR THE LIKE. SEE ALSO ADAPTER BUSHING AND COUPLING, PIPE.


Manufacturer Information:
2621-021-0196169ELECTRIC BOAT CORPORATION
2621-021-01ASSY2196169ELECTRIC BOAT CORPORATION


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST END
CONNECTION TYPEUNTHREADED EXTERNAL PIPE 1ST END
FURNISHED ITEMS AND QUANTITY2 PREFORMED PACKING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE NUT
MATERIALCOPPER ALLOY TAILPIECE
MATERIALNICKEL ALLOY NUT
MATERIALSTEEL COMP 304 BODY
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OVERALL LENGTH13.312 INCHES
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 1ST END
NOMINAL THREAD SIZE1.312 INCHES 2ND END
THREAD CLASS3A 2ND END
THREAD QUANTITY PER INCH12 2ND END
THREAD SERIES DESIGNATORUN 2ND END


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