4730-01-358-8976 NIPPLE,BOSS Index 4720-01-358-8978 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4730-01-358-8977

Federal Supply Class:
4730

National Item Identification Number:
013588977

Description:
CROSS,TUBE TO BOSS

Detail:
A FITTING HAVING FOUR BRANCHES IN THE SAME PLANE WHOSE AXES FORM RIGHT ANGLES. ONE OR MORE OF THE CONNECTIONS HAVE MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE OR ARE UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. THE REMAINING CONNECTIONS ARE BOSS CONNECTIONS. THE BOSS CONNECTIONS HAVE INTERNAL OR EXTERNAL MACHINE THREADS AND ARE DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, AND THE LIKE TO FORM A SEAL AT THE BOSS. IT MAY HAVE SIDE INLET(S).


Manufacturer Information:
65356-0400178286SIKORSKY AIRCRAFT CORPORATION
65356-04001-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 3RD END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED EXTERNAL TUBE 2ND END
CONNECTION TYPETHREADED INTERNAL BOSS 4TH END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEFLARED (TUBE) 2ND END
CONNECTION STYLEFLARED (TUBE) 3RD END
CONNECTION STYLEGASKET SEAL (BOSS) 4TH END
LEG LENGTH1.170 INCHES NOMINAL 2ND END
LEG LENGTH1.462 INCHES NOMINAL 3RD END
LEG LENGTH1.462 INCHES NOMINAL 4TH END
LEG LENGTH2.175 INCHES NOMINAL 1ST END
LEG LENGTH2.175 INCHES NOMINAL 1ST END BULKHEAD
MATERIALSTEEL COMP 4340 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 3RD END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 4TH END
NOMINAL THREAD SIZE0.750 INCHES 4TH END
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES 1ST END
NOMINAL THREAD SIZE0.750 INCHES 1ST END BULKHEAD
NOMINAL THREAD SIZE0.750 INCHES 2ND END
NOMINAL THREAD SIZE0.750 INCHES 3RD END
SEAT ANGLE37.0 DEGREES 1ST END
SEAT ANGLE37.0 DEGREES 2ND END
SEAT ANGLE37.0 DEGREES 3RD END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3A 3RD END
THREAD CLASS3A 1ST END
THREAD CLASS3A 1ST END BULKHEAD
THREAD CLASS3A 2ND END
THREAD CLASS3B 4TH END
THREAD SERIES DESIGNATORUNJF 2ND END
THREAD SERIES DESIGNATORUNJF 3RD END
THREAD SERIES DESIGNATORUNJF 4TH END
THREAD SERIES DESIGNATORUNJF ALL ENDS
THREAD SERIES DESIGNATORUNJF 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END BULKHEAD


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