T-R-650, FEDERAL SPECIFICATION: ROPE, YARN AND TWINE, BAST FIBER (21 DEC 1967) [SUPERSEDES T-R-592 & T-R-675]

T-R-650, FEDERAL SPECIFICATION: ROPE, YARN AND TWINE, BAST FIBER (21 DEC 1967) [SUPERSEDES T-R-592 & T-R-675]., This specification covers the requirements for rope, yarn, and twine manufactured of bast fibers identifies as jute and hemp.