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TM 11-5855-341-10 (Mar 19) is the new operator’s manual for the AN/PSQ-40 night vision viewer, NSN 5855-01-649-9837.
TM distribution is restricted, so you’ll need your CAC to log in to:
https://idmng.armyerp.army.mil/
Choose the “ETM/IETM” app and search for the TM.