"THIS NSN IS USED TO PURCHASE A MINIMUM OF 12 CONTAINERS OR MORE, TO PURCHASE A MINIMUM OF 1 TO A MAXIMUM OF 3 CONTAINERS USE NSN 3439-01-380- 4287, TO PURCHASE A MINIMUM OF 4 TO A MAXIMUM OF 11 CONTAINERS USE NSN 3439- 01-407-7791. CERTIFICATION: B50TF172-S5, CLA; VFA PM819-45."