“U.S.N”. Brass body. Brass shackle. Clevis. Keyway: Paracentric. “MFRD. BY INDEP
“U.S.N”. Brass body. Brass shackle. Clevis. Keyway: Paracentric. “MFRD. BY INDEPENDENT LOCK CO. FITCHBURG.MASS.U.S.A. LUBRICATE WITH GRAPHITE” is stamped on the reverse of the body.