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		                             National Stock Number: 4730-01-050-2693
  Federal Supply Class: 4730
  National Item Identification Number: 010502693
  Description: ELBOW,SWIVEL FLANGE TO TUBE
  Detail: A FITTING THAT FORMS AN ANGLE OF LESS THAN 180 DEGREES (3.141 RADIANS) FROM THE STRAIGHT FLOW. ONE CONNECTING END HAS A SWIVEL FLANGE DESIGNED TO PERMIT AXIAL ROTATION OF THE FITTING, USUALLY FOR THE EASE OF INSTALLATION, PRIOR TO SECURING IT TO A FLANGE OR MOUNTING PAD. THE OTHER END HAS MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A SWIVEL FLANGE. IT MAY HAVE SIDE AND/OR HEEL INLETS.
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  Manufacturer Information:
 | 16P1537-803 | 81755 | LOCKHEED MARTIN CORPORATION |  | 16P1537-817 | 81755 | LOCKHEED MARTIN CORPORATION |  | 16P1537-821 | 81755 | LOCKHEED MARTIN CORPORATION |   
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  Techincal Specification:
 | LEG LENGTH | 1.110 INCHES NOMINAL 1ST END |   | 1.380 INCHES NOMINAL 2ND END |  | FLOW ANGLE | 30.0 DEGREES |   
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