U.S.ARMY SPECFICATION NO. 50-14-2A, NITROCELLULOSE, LONG FIBER. U.S. Army. (Used) Washington DC: U.S. Army, June 23,1939. Softcover. 7 pages, Excellent. Item #14703 Price: $10.00 See our Home Page before ordering. Add to Cart Ask a Question See all items in Used See all items by U S. Army