National Stock Number: 4320-99-202-3990
  Federal Supply Class: 4320
  National Item Identification Number: 992023990
  Description: CYLINDER SLEEVE
  Detail: A TUBULAR METAL ITEM DESIGNED PRIMARILY AS A REPLACEABLE WEAR SURFACE WITHIN THE CYLINDER BORE OF A PISTON TYPE INTERNAL COMBUSTION ENGINE, COMPRESSOR, OR RECIPROCATING PUMP.
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