"THIS NSN IS USED TO PURCHASE A MINIMUM OF 1 AND A MAXIMUM OF 19 CONTAINERS, TO PURCHASE A MINIMUM OF 20 TO A MAXIMUM OF 59 USE NSN 3439-01- 407-7671, TO PURCHASE A MINIMUM OF 60 OR MORE CONTAINERS USE NSN 3439-01-407-7672. CERTIFICATION: GE50TF53-S5 CLASS-B; RR9507/16 ISS.2; VFA PM81934."