Description: unique, item identifying series of numbers used throughout the NATO supply system; Name: NSN
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: average speed given by the stroke length multiplied with the number of complete pumping cycles of the piston, plunger or piston attached to the diaphragm per minute (stroke per minute or pump crank speed); Name: piston velocity