Special regulations. 742-507-19. Inspection of supplies and equipment: Serviceability standard for grenade, hand, irritant, CN-DM, M6; grenade, hand, smoke, WP, M15; grenade, hand, tear, CN, M7 and grenade, hand, tear, CN, M7A1; grenade, incendiary, AN-M14; grenade, smoke, colored, M18; grenade, smoke, red, AN-M3; grenade, smoke, white, HC, AN-M8; Feb. 18, 1952.

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