MIL-L-3931K, MILITARY SPECIFICATION: LAST, FOOTWEAR, SHOE, MEN S, US MIL-1 (17 JUN 1986)

MIL-L-3931K, MILITARY SPECIFICATION: LAST, FOOTWEAR, SHOE, MEN S, US MIL-1 (17 JUN 1986)., This document covers plastic footwear lasts used in the manufacture of oxford and service shoes.