Description: a 13-digit numeric code, labeling an item of supply in a standard way as the item has been recognized by the NATO countries including agencies like the United States Department of Defense; Name: Nato stock number
Description: 13-digit numeric code, identifying all the standardized material items of supply as they have been recognized by the United States Department of Defense; Name: National stock number
Description: proportion of the driver power input, pmot, delivered as pump power output, pu; Name: overall efficiency