"THIS NSN IS USED TO PURCHASE A MINIMUM OF 1 TO A MAXIMUM OF 19 CONTAINERS, TO PURCHASE A MINIMUM OF 20 TO A MAXIMUM OF 59 CONTAINERS USE NSN 3439-01-407-7683, TO PURCHASE A MINIMUM OF 60 OR MORE CONTAINERS USE NSN 3439-01-407-7687. CERTIFICATION: RR9507/6 ISS.2"