DAVCO indicates some characteristics on engineering drawings with a diamond shaped symbol (◊) indicating that the specified feature is critical to the form, fit or function of our product. These characteristics require special treatment as you develop your process controls. As a minimum, characteristics so marked must be treated as follows:
NOTE: There may be limited cases where the above is not feasible. Please contact DAVCO’s Quality Department if you believe this may be the case.
If a critical characteristic cannot achieve statistical control and/or a PPK of 1.33 you must include 100% inspection of this characteristic in your process controls. Acceptability may be determined by DAVCO.
Any gauge used to determine conformance to DAVCO’s specifications must: