4730-00-804-1910 REDUCER,BOSS Index 4730-00-804-1912 TEE,TUBE

National Stock Number:
4730-00-804-1911

Federal Supply Class:
4730

National Item Identification Number:
008041911

Description:
TEE,TUBE TO BOSS

Detail:
A FITTING HAVING THREE CONNECTIONS WITH THE BRANCH CONNECTION FIXED AT 90 DEGREES (1.5705 RADIANS) TO THE RUN. THE TUBE CONNECTION(S) HAS MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE, OR IS UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. THE BOSS CONNECTION(S) 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 MAY HAVE SIDE INLET(S). IT IS USED AS A JUNCTION AT THE INTERSECTION OF A TUBE OR FITTING AND A BOSS OR BOSS FITTING ON ITEMS SUCH AS A TANK, HOUSING, VALVE FITTING, OR THE LIKE. SEE ALSO TEE, TUBE; AND TEE, PIPE TO TUBE. EXCLUDES CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.


Manufacturer Information:
AN783-488044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MIL-F-550981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS24388-496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLEGASKET SEAL (BOSS) THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END BULKHEAD
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL BOSS THIRD END
LEG LENGTH0.750 INCHES NOMINAL THIRD END
LEG LENGTH1.750 INCHES NOMINAL FIRST END
LEG LENGTH1.188 INCHES NOMINAL SECOND END
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637,COMP 1137 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637,COMP 1141 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758,COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758,COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES FIRST END BULKHEAD
SEAT ANGLE37.0 DEGREES SECOND END
SEAT ANGLE37.0 DEGREES FIRST END
SPECIFICATION/STANDARD DATA96906-MS24388 GOVERNMENT STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A FIRST END
THREAD CLASS3A FIRST END BULKHEAD
THREAD CLASS3A SECOND END
THREAD CLASS3B THIRD END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD


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