A rubber shoulder convolute assembly from an Apollo A7LB pressure suit. The opening of the shoulder measures approximately 7″ in diameter, with ribbed orange-and black rubber joint section and a brown fabric cover layer; part numbers to interior of rubber lining difficult to read, with inner fabric marked "ABD," "R2," and "Front." In fine condition. The dipped rubber convoluted joints were located at the shoulders, elbows, wrists, hips, knees, and ankles, to permit movement with a minimum expenditure of energy.
Terms and abbreviations used in our descriptions.