|A group of parts that:
a. Is received in a single shipment (whether in single or multiple packages),
b. Is marked or otherwise identified with identical lot, batch, run, and identification information (e.g., dates codes, lot codes),
c. Is identical in appearance to the unaided eye (parts and packaging),
d. Appear to have been subjected to the same handling, packaging, and/or storage conditions, and
e. Has maintained their physical placement relative to each other (i.e., have never been separated based on evidence such as source, packaging, labeling).