For the GH Series Headers from JST, there are two entry types available – Top entry and Side entry.
The datasheet can be found here: JST GH Series Datasheet.
JST has confirmed that the tolerance for the A and B dimensions is +/- 0.3mm, which is not currently listed out on their datasheet.
See also
JST GH series Top Entry Connectors - suffix (N)
JST Kapton Tape/Suction Cap (TF, TB, TFT, TBT Suffix)
Applicable part numbers
BM02B-GHS-GB-TBT(LF)(SN)(N)
BM02B-GHS-TBT(LF)(SN)(N)
BM03B-GHS-GB-TBT(LF)(SN)(N)
BM03B-GHS-TBT(LF)(SN)(N)
BM04B-GHS-GB-TBT(LF)(SN)(N)
BM04B-GHS-GJ-TBT(LF)(SN)(N)
BM04B-GHS-TBT(LF)(SN)(N)
BM05B-GHS-TBT(LF)(SN)(N)
BM06B-GHS-GB-TBT(LF)(SN)(N)
BM06B-GHS-TBT(LF)(SN)(N)
BM07B-GHS-TBT(LF)(SN)(N)
BM08B-GHS-TBT(LF)(SN)(N)
BM09B-GHS-TBT(LF)(SN)(N)
BM10B-GHS-TBT(LF)(SN)(N)
BM11B-GHS-TBT(LF)(SN)(N)
BM12B-GHS-TBT(LF)(SN)(N)
BM13B-GHS-TBT(LF)(SN)(N)
BM14B-GHS-TBT(LF)(SN)(N)
BM15B-GHS-TBT(LF)(SN)
SM02B-GHS-TB(LF)(SN)
SM03B-GHS-TB(LF)(SN)
SM04B-GHS-TB(LF)(SN)
SM05B-GHS-TB(LF)(SN)
SM06B-GHS-GB-TB(LF)(SN)
SM06B-GHS-TB(LF)(SN)
SM07B-GHS-TB(LF)(SN)
SM08B-GHS-TB(LF)(SN)
SM09B-GHS-TB(LF)(SN)
SM10B-GHS-GJ-TB(LF)(SN)
SM10B-GHS-TB(LF)(SN)
SM11B-GHS-TB(LF)(SN)
SM12B-GHS-GJ-TB(LF)(SN)
SM12B-GHS-TB(LF)(SN)
SM13B-GHS-TB(LF)(SN)
SM14B-GHS-TB(LF)(SN)
SM15B-GHS-TB(LF)(SN)-
BM02B-GHS-GB-TBT(LF)(SN)(N)-ND
455-1578-2-ND,455-1578-1-ND,455-1578-6-ND
BM03B-GHS-GB-TBT(LF)(SN)(N)-ND
455-1579-2-ND,455-1579-1-ND,455-1579-6-ND
BM04B-GHS-GB-TBT(LF)(SN)(N)-ND
BM04B-GHS-GJ-TBT(LF)(SN)(N)-ND
455-1580-2-ND,455-1580-1-ND,455-1580-6-ND
455-1581-2-ND,455-1581-1-ND,455-1581-6-ND
BM06B-GHS-GB-TBT(LF)(SN)(N)-ND
455-1582-2-ND,455-1582-1-ND,455-1582-6-ND
455-1583-2-ND,455-1583-1-ND,455-1583-6-ND
455-1584-2-ND,455-1584-1-ND,455-1584-6-ND
455-1585-2-ND,455-1585-1-ND,455-1585-6-ND
455-1586-2-ND,455-1586-1-ND,455-1586-6-ND
455-4363-2-ND,455-4363-1-ND,455-1587-1-ND,455-1587-6-ND,455-4363-6-ND
455-1588-2-ND,455-1588-1-ND,455-1588-6-ND
455-4364-2-ND,455-4364-1-ND,455-1589-1-ND,455-4364-6-ND,455-1589-6-ND
455-1590-2-ND,455-1590-1-ND,455-1590-6-ND
455-1591-2-ND,455-1591-1-ND,455-1591-6-ND
455-1564-2-ND,455-1564-1-ND,455-1564-6-ND
455-1565-2-ND,455-1565-1-ND,455-1565-6-ND
455-1566-2-ND,455-1566-1-ND,455-1566-6-ND
455-1567-2-ND,455-1567-1-ND,455-1567-6-ND
SM06B-GHS-GB-TB(LF)(SN)-ND
455-1568-2-ND,455-1568-1-ND,455-1568-6-ND
455-1569-2-ND,455-1569-1-ND,455-1569-6-ND
455-1570-2-ND,455-1570-1-ND,455-1570-6-ND
455-1571-2-ND,455-1571-1-ND,455-1571-6-ND
SM10B-GHS-GJ-TB(LF)(SN)-ND
455-1572-2-ND,455-1572-1-ND,455-1572-6-ND
455-1573-2-ND,455-1573-1-ND,455-1573-6-ND
SM12B-GHS-GJ-TB(LF)(SN)-ND
455-1574-2-ND,455-1574-1-ND,455-1574-6-ND
455-1575-2-ND
455-1576-2-ND,455-1576-1-ND,455-1576-6-ND
455-1577-2-ND,455-1577-1-ND,455-1577-6-ND