"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 3439-01-380-4139, TO PURCHASE A MINIMUM OF 60 OR MORE CONTAINERS USE NSN 3439-01-407-7684. CERTIFICATIONS: B50TF172-S5, CLA; VFA PM819-45."