1730-00-838-2769 GEARBOX ASSY Index 5330-00-838-2771 O-RING

National Stock Number:
4730-00-838-2770

Federal Supply Class:
4730

National Item Identification Number:
008382770

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:
MS21910-5C0U583SAE INTERNATIONAL
MS21910-5C96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SAE-AS182800U583SAE INTERNATIONAL


Techincal Specification:
MATERIALSTEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CL 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE INSIDE
PASSIVATE OUTSIDE
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED EXTERNAL BOSS 2ND END
THREADED INTERNAL BOSS 3RD END
CONNECTION STYLEFLARELESS (TUBE) 1ST END
EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
GASKET SEAL (BOSS) 3RD END
SEAT ANGLE12.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.313 INCHES 1ST END
THREAD SERIES DESIGNATORUNJ ALL ENDS
UNJ 1ST END BULKHEAD
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
0.500 INCHES 1ST END BULKHEAD
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD CLASS3A 1ST END
3A 2ND END
3B 3RD END
3A 1ST END BULKHEAD
LEG LENGTH1.672 INCHES NOMINAL 1ST END
1.094 INCHES NOMINAL 2ND END
0.750 INCHES NOMINAL 3RD END


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