#!/pw/prod/svr4/bin/perl
use strict;
use warnings;

  undef $/;
  my $data = <DATA>;

  $data =~ m{(\d+-)(\d+-)(\d+)(\s*/\s*)(\d+)(\s*/\s*)(\d+)}g;

  print "$1, $2, $3, $4, $5, $6, $7\n";

__DATA__
      PART NAME         QUANTITY    SECTION/FIGURE/ITEM

      Widget1               1       72-33-00/ 23/ 85
      Widget1               1       75-20-00/ 11/ 10
      Widget2               1       72-33-00/20/10
      Widget2               1       72-33-00/20/70
      Widget2               1       72-00-33/2/1
      Widget2               1       72-00-33/2/20
      Widget2               1       73-12-00/4/1
      Widget2               1       73-12-00/4/220
      Widget2               1       73-12-00/3/10
      Widget2               2       79-20-00/9/1
      Widget2               1       79-20-00/5/1