MIL-P-46329A (NOTICE-2), MILITARY SPECIFICATION: PERISCOPE, TANK: M13, M14A1, M17, M17C, M26, M27, M37 AND M45, PERISCOPE, 15 DEG. UPLOOK AND PERISCOPE, 20 DEG. UPLOOK (27-SEP-2013)

MIL-P-46329A (NOTICE-2), MILITARY SPECIFICATION: PERISCOPE, TANK: M13, M14A1, M17, M17C, M26, M27, M37 AND M45, PERISCOPE, 15 DEG. UPLOOK AND PERISCOPE, 20 DEG. UPLOOK (27-SEP-2013)., MIL-P-46329A, dated 15-Jun-1998, remains inactive for new design; however, the document is valid for use.