"THIS NSN IS USED TO PURCHASE A MINIMUM OF 20 TO A MAXIMUM OF 59 CONTAINERS, TO PURCHASE A MINIMUM OF 1 TO A MAXIMUM OF 19 CONTAINERS USE NSN 3439-01-3807198, TO PURCHASE A MINIMUM OF 60 OR MORE CONTAINERS USE NSN 3439-01-407-7661. CERTIFICATION: RR9507/40 ISS.1; M3964A."