1 of 4

ASME Y14.5 -2018

5.9.1 Rule #2: RFS AND RMB DEFAULT

  • RFS is the default condition for geometric tolerance values.
  • The MMC or LMC material condition modifier may be applied to a geometric tolerance value to override the RFS default.
  • RMB is the default condition for datum feature references.
  • The MMB or LMB material boundary modifier may be applied to a datum feature reference to override the RMB default.

2 of 4

ASME Y14.5 -2018

5.9.1 Rule #2: RFS AND RMB DEFAULT

  • RFS is the default condition for geometric tolerance values.
  • The MMC or LMC material condition modifier may be applied to a geometric tolerance value to override the RFS default.
  • RMB is the default condition for datum feature references.
  • The MMB or LMB material boundary modifier may be applied to a datum feature reference to override the RMB default.

3 of 4

ASME Y14.5 -2018

5.9.1 Rule #2: RFS AND RMB DEFAULT

  • RFS is the default condition for geometric tolerance values.
  • The MMC or LMC material condition modifier may be applied to a geometric tolerance value to override the RFS default.
  • RMB is the default condition for datum feature references.
  • The MMB or LMB material boundary modifier may be applied to a datum feature reference to override the RMB default.

4 of 4

ASME Y14.5 -2018

5.9.1 Rule #2: RFS AND RMB DEFAULT

  • RFS is the default condition for geometric tolerance values.
  • The MMC or LMC material condition modifier may be applied to a geometric tolerance value to override the RFS default.
  • RMB is the default condition for datum feature references.
  • The MMB or LMB material boundary modifier may be applied to a datum feature reference to override the RMB default.