National Stock Number: 2840-00-441-1700
  Federal Supply Class: 2840
  National Item Identification Number: 004411700
  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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