Twin ground glass; 50 mm dia; 3 mm thk w/ 3 mm radius on edge; etched v on edge indicates dot side; red dot 40 micron in diameter centered porm 5 micron
Classification: Military equipments not identified by kind
NSN 2925-00-925-0545
NSN 5905-01-074-8527
NSN 4140-01-633-1733
NSN 6685-01-358-1454
NSN 6130-00-163-1905
NSN 5999-01-367-2019
NSN 6110-01-532-4914
NSN 6320-00-456-2092
NSN 6645-01-605-1485
NSN 5925-01-113-8272
NSN 5895-00-061-0344
NSN 5915-01-633-9845