MIL-L-82653 Revision A, November 15, 1993
LINER MATERIAL, POLYBUTADIENE BASE
The liners described herein are used between the case or tube wall and the propellant of various cartridge devices and rocket motors, specifically:
Type I Used in the CCU-22/A Impulse Cartridge, CCU-22/A/A Impulse Cartridge, and the CKU-7/A Rocket Catapult. Type II Used in the CKU-5/A Rocket Catapult and the CKU-5/A/A Rocket Catapult. Type III Used in the CKU-5B/A Rocket Catapult.