"THIS NSN IS USED TO PURCHASE A MINIMUM OF 30 OR MORE CONTAINERS, TO PURCHASE A MINIMUM OF 10 TO A MAXIMUM OF 29 CONTAINERS USE NSN 3439-01-407-5746, TO PURCHASE A MINIMUM OF 1 TO A MAXIMUM OF 9 CONTAINERS USE NSN 3439-01-391-8644. CERTIFICATION: PWA1393; B50TF232-S2; 9507/45 ISS.2; VFA PM 81954; FP5045 TYPE XXV REV.AB."