3110-00-977-3177 BEARING,BALL,ROD END Index 5306-00-977-3179 BOLT,CYLINDER

National Stock Number:
4730-00-977-3178

Federal Supply Class:
4730

National Item Identification Number:
009773178

Description:
TEE,BOSS

Detail:
A FITTING HAVING THREE CONNECTIONS WITH THE BRANCH CONNECTION FIXED AT 90 DEGREES (1.5705 RADIANS) TO THE RUN. THE CONNECTIONS HAVE EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES), AND ARE DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE, TO FORM A SEAL AT THE BOSS. IT MAY HAVE SIDE INLET(S). IT IS USED AS A JUNCTION AT THE INTERSECTION OF A BOSS OR BOSS FITTING ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE. EXCLUDES TEE, TUBE.


Manufacturer Information:
128HM10070-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
128HM10070-165777HOWE MACHINE & TOOL CORP.
128HM10070-179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CONNECTION STYLEDOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) 3RD END
CONNECTION STYLEGASKET SEAL (BOSS) 1ST END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
LEG LENGTH2.250 INCHES NOMINAL 3RD END
LEG LENGTH1.125 INCHES NOMINAL 1ST END
LEG LENGTH1.312 INCHES NOMINAL 2ND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY OVERALL
NOMINAL THREAD SIZE1.062 INCHES 2ND END
NOMINAL THREAD SIZE1.312 INCHES 3RD END
NOMINAL THREAD SIZE0.563 INCHES 1ST END
THREAD CLASS3A 3RD END
THREAD CLASS3B 1ST END
THREAD CLASS3B 2ND END
THREAD QUANTITY PER INCH12 2ND END
THREAD QUANTITY PER INCH12 3RD END
THREAD SERIES DESIGNATORUN 2ND END
THREAD SERIES DESIGNATORUN 3RD END
THREAD SERIES DESIGNATORUNF 1ST END


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