Standards Central
Standards Central
FSG-12: Fire Control Equipment
FSC-1240: Optical Sighting and Ranging Equipment
MIL-P-46329/(an interim revision also exists for this document number as MIL-P-0046329B NOT 1)
MIL-P-46329/(an interim revision also exists for this document number as MIL-P-0046329B NOT 1)
Periscope, Tank: M13, M14A1, M17, M17C, M26, M27, M37 and M45, Periscope, 15 Deg. Uplook and Periscope, 20 Deg. Uplook