L-P-386C, FEDERAL SPECIFICATION: PLASTIC MATERIAL, CELLULAR, URETHANE (FLEXIBLE) (26-AUG-1977)
L-P-386C, FEDERAL SPECIFICATION: PLASTIC MATERIAL, CELLULAR, URETHANE (FLEXIBLE) (26-AUG-1977)., This specification covers cellular urethane material designed for such applications as upholstery, general seating, mattresses, and other uses.