MS500048A, MILITARY STANDARD: TOWBAR, MOTOR VEHICLE: LIGHT, MEDIUM AND HEAVY DUTY (FOR VEHICLES 2 1/2 TO 50 TONS AND HEAVIER) (13 DEC 1991)
MS500048A, MILITARY STANDARD: TOWBAR, MOTOR VEHICLE: LIGHT, MEDIUM AND HEAVY DUTY (FOR VEHICLES 2 1/2 TO 50 TONS AND HEAVIER) (13 DEC 1991).