- Contact geometry
- Contact areas, flatness, fastener holes and machining datums.
- Material condition
- Grade, heat treatment where specified, hardness and finished-part conductivity criteria.
- Assembly verification
- Contact pressure, operating duty and responsibility for resistance and temperature-rise checks.
- Material specification
- Alloy grade, governing standard and revision, manufacturing condition and any restricted substances.
- Order & acceptance
- Approved drawing revision, quantity, blank or machined delivery, inspection criteria and required records.