text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_26967904_1 (chambering VARCHAR, f_bolt VARCHAR, p_max___bar__ VARCHAR)
  ### Question:
  With what type of chambering is the F bolt n (lbf) and the P max (bar) 3900?
  ### Answer:
  SELECT chambering FROM table_26967904_1 WHERE f_bolt = "N (lbf)" AND p_max___bar__ = 3900