Marine M-1941 Field Pack System (Vietnam War era) Saturday November 21st, 2015 admin The Vietnam War, Backpack & Rucksack 13,209 views Stock Number Reference: Name FSN Field Pack, Canvas, Haversack (M-1941 USMC) 8465-382-7966 Field Pack, Canvas, Cargo (M-1941 USMC) 8465-382-7967 Suspenders, Field Pack, M-1941 8465-382-7968 vietnam_warmarinesuspendersog107backpackhaversackknapsack