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		                        | National Stock Number:
 2840-01-620-8083
 
 Federal Supply Class:
 2840
 
 National Item Identification Number:
 016208083
 
 Description:
 HOUSING,ANTIFRICTION BEARING,AIR
 
 Detail:
 A HOUSING DESIGNED TO SURROUND, RETAIN, SUPPORT, AND PROTECT AN ANTIFRICTION BEARING MOUNTED ON A SHAFT, TURBINE, AIRCRAFT GAS TURBINE ENGINE.  IT MAY ALSO ACT AS A SUMP TO COLLECT THE LUBRICANT TO BE PUMPED BACK TO THE TANK.
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 Manufacturer Information:
 
 | 4089010-01 | 00518 | C. F. ROARK WELDING & ENGINEERING COMPANY, INCORPORATED |  | 4089010-01 | 52661 | RTX CORPORATION |  | 4089010-01 | 77445 | RTX CORPORATION | 
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 Techincal Specification:
 
 | CRITICALITY CODE JUSTIFICATION | FEAT |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | SUPPORT ASSY OF - NO. 4 BEARING AIR SCALING RING |  | SPECIAL FEATURES | C/O PIN, HEAT SHIELD, BOSS, FLANGE, FING, SUPPORT, SUPPORT ASSY OF | 
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